import java.util.Scanner;
public class qwe {
	public static void main(String[] args){
		Scanner scn = new Scanner(System.in);
		int a1 = scn.nextInt();
		double s = 0;
		int b1 = scn.nextInt();
		int c1 = scn.nextInt();
		if ((b1 < 0) && (c1 < 0))
		{
			System.out.print(a1 + "x^2 - " + -b1 + "x - " + -c1 + " = 0;\n");
		}
		else
			if ((b1 < 0) && (c1 > 0))
			{
				System.out.print(a1 + "x^2 - " + -b1 + "x + " + c1 + " = 0;\n");
			}
			else
				if ((b1 > 0) && (c1 > 0))
				{
					System.out.print(a1 + "x^2 + " + b1 + "x + " + c1 + " = 0;\n");
				}
				else
					if ((b1 > 0) && (c1 < 0))
					{
						System.out.print(a1 + "x^2 + " + b1 + "x - " + -c1 + " = 0;\n");
					}
		System.out.print("D = b^2 - 4ac;\n");
		if (c1 > 0 && a1 > 0)
		{
			System.out.print("D = " + b1 + "^2 - 4" + " * " + a1 + " * " + c1 + ";\n");
		}
		else
			if (c1 > 0 || a1 < 0)
			{
				System.out.print("D = " + b1 + "^2 - 4" + " * (" + a1 + ") * " + c1 + ";\n");
			}
			else
				if (c1 < 0 && a1 < 0)
				{
					System.out.print("D = " + b1 + "^2 - 4" + " * (" + a1 + ") * (" + c1 + ");\n");
				}
				else
					if (c1 < 0 || a1 > 0)
					{
						System.out.print("D = " + b1 + "^2 - 4" + " * " + a1 + " * (" + c1 + ");\n");
					}
		s = (int)  ((Math.pow(b1, 2)) - (4 * a1 * c1));
		int m = (4 * a1 * c1);
		if (m < 0)
		{
			System.out.print("D = " + ((int) Math.pow(b1, 2)) + " + " + -(4 * a1 * c1) + " = " + s + ";\n");
		}
		else
			if (m > 0)
			{
				System.out.print("D = " + ((int) Math.pow(b1, 2)) + " - " + (4 * a1 * c1) + " = " + s + ";\n");
			}
		int dis =-b1 - ((int) Math.sqrt(s));
		int displus =-b1 + ((int) Math.sqrt(s));
		int dismis = 2*a1;
		if (s < 0)	//Проверяем, есть ли корни у дискриминанта
		{
			System.out.print("D < 0, корней нет!\n");
			System.out.print("Ответ: x ∈ Ø.");
		}
		else
			if (s == 0) //1 корень 11111111111111111111111111111111111
			{ 
				int x1 = -b1 / (2*a1);
				System.out.print("D = 0, один корень!\n");
				System.out.print("                  x1 = -b/2a;\n");
				System.out.print("x1:");
				if (a1 < 0)
				{
					System.out.print("x = " + -b1 + "/" + "2*(" + a1 + ");\n");
					System.out.print("     x = " + -b1 + "/" + 2 * a1 + ";\n");
					System.out.print("     x = " + x1 + ";\n"); 
					System.out.print("Ответ: " + x1 + ".");
				}
				else
				{
					System.out.print("x = " + -b1 + "/" + "2*" + a1 + ";\n");
					System.out.print("     x = " + -b1 + "/" + 2 * a1 + ";\n");
					System.out.print("     x = " + x1 + ";\n");
					System.out.print("Ответ: " + x1 + ".");
				}
			} 
			else //два корня 2222222222222222222222222222222222222222
			{ 
				System.out.print("D > 0, два корня!\n"); 
				System.out.print("           x1,2 = (-b ± √D)/2a;\n");
				System.out.print("x1:");
				if (a1 > 0)
				{
					System.out.print("x = (" + -b1 + " + " + ((int) Math.sqrt(s)) + ")/2*" + a1 + ";\n");
					System.out.print("     x = " + displus + "/" + dismis + ";\n");
					int x1 = (int) (displus / dismis); 
					//d1 = "     x = " + displus + " / " + dismis + ";\n";
					//t4.append(d1);
						if ((dis > 0) && (dismis > 0))
						{
							if ((dis % 2) == 0) //число четное
								for (int i = 2; i <= 100; i++)
								{
									int diskis =dis/i;
									int dismiskis = dismis/i;
									if (((diskis * i) == dis) && ((dismiskis * i) == dismis))
									{
										if ((2*a1)/i != 1)
										{
											System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "/" + (int)dismis/i + "\n");
											String x11 = (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)dismis/i;
										}
										else
										{
											System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "\n");
											int x11 = (int)(-b1 - ((int) Math.sqrt(s)))/i;
										}
										break;
									}
								}
							else
							{
								if ((displus == 1) || (displus == -1))
								{
									String x11 = displus + " / " + dismis + "; ";
								}
								else
								{
									String x11 = (dis / dismis) + "*(" + ((dis - ((dis / dismis) * dismis)) + "/" + dismis) + ");"; 
									System.out.print("     x = " + x1 + "\n"); 
								}
							}
						}
						else
							if ((dis < 0) && (dismis < 0))
							{
								if ((dis % 2) == 0) //число четное
									for (int i =2; i <=100; i++)
									{
										int diskis =dis/i;
										int dismiskis = dismis/i;
										if (((diskis * i) == dis) && ((dismiskis * i) == dismis))
										{
											if ((2*a1)/i != 1)
											{
												System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i + "\n");
												String x11 = (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i;
											}
											else
											{
												System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "\n");
												int x11 = (int)(-b1 - ((int) Math.sqrt(s)))/i;
											}
											break;
										}
									}
								else
								{
									if ((displus == 1) || (displus == -1))
									{
										String x11 = displus + " / " + dismis + "; ";
									}
									else
									{
										String x11 = (dis / dismis) + "*(" + ((dis - ((dis / dismis) * dismis)) + "/" + dismis) + ");"; 
										System.out.print("     x = " + x11 + "\n"); 
									}
								}
							}
							else
								if ((dis > 0) && (dismis < 0) || (dis < 0) && (dismis > 0))
									if ((dis % 2) == 0) //число четное
										for (int i =2; i <= 100; i++)
										{
											int diskis =dis/i;
											int dismiskis = dismis/i;
											if (((diskis * i) == dis) && ((dismiskis * i) == dismis))
											{
												if ((2*a1)/i != 1)
												{
													System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i + "\n");
													String x11 = (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i;
												}
												else
												{
													System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "\n");
													int x11 = (int)(-b1 - ((int) Math.sqrt(s)))/i;
												}
											}
											break;
										}
									else
									{
										if ((displus == 1) || (displus == -1))
										{
											String x11 = displus + " / " + dismis + "; ";
										}
										else
										{
											String x11 = (dis / dismis) + "*(" + ((dis - ((dis / dismis) * dismis)) + "/" + dismis) + ");"; 
											System.out.print("     x = " + x11 + "\n"); 
										}
									}
				}
				else// x2   x2   x2   x2
				{
					System.out.print("x = (" + -b1 + " + " + ((int) Math.sqrt(s)) + ") / 2*(" + a1 + ");\n");
					System.out.print("     x = " + displus + " / " + dismis + ";\n");
					if (dis/dismis == (double) (dis/dismis))
					{
						if ((dis > 0) && (dismis > 0))
						{
							if ((dis % 2) == 0) //число четное
								for (int i = 2; i <= 100; i++)
								{
									int diskis =dis/i;
									int dismiskis = dismis/i;
									if (((diskis * i) == dis) && ((dismiskis * i) == dismis))
									{
										if ((2*a1)/i != 1)
										{
											System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "/" + (int)dismis/i + "\n");
											String x1 = (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)dismis/i;
										}
										else
										{
											System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "\n");
											int x1 = (int)(-b1 - ((int) Math.sqrt(s)))/i;
										}
										break;
									}
								}
							else
							{
								if ((displus == 1) || (displus == -1))
								{
									String x1 = displus + " / " + dismis + "; ";
								}
								else
								{
									String x1 = (dis / dismis) + "*(" + ((dis - ((dis / dismis) * dismis)) + "/" + dismis) + ");"; 
									System.out.print("     x = " + x1 + "\n"); 
								}
							}
						}
						else
							if ((dis < 0) && (dismis < 0))
							{
								if ((dis % 2) == 0) //число четное
									for (int i =2; i <=100; i++)
									{
										int diskis =dis/i;
										int dismiskis = dismis/i;
										if (((diskis * i) == dis) && ((dismiskis * i) == dismis))
										{
											if ((2*a1)/i != 1)
											{
												System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i + "\n");
												String x1 = (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i;
											}
											else
											{
												System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "\n");
												int x1 = (int)(-b1 - ((int) Math.sqrt(s)))/i;
											}
											break;
										}
									}
								else
								{
									if ((displus == 1) || (displus == -1))
									{
										String x1 = displus + " / " + dismis + "; ";
									}
									else
									{
										String x1 = (dis / dismis) + "*(" + ((dis - ((dis / dismis) * dismis)) + "/" + dismis) + ");"; 
										System.out.print("     x = " + x1 + "\n"); 
									}
								}
							}
							else
								if ((dis > 0) && (dismis < 0) || (dis < 0) && (dismis > 0))
									if ((dis % 2) == 0) //число четное
										for (int i =2; i <= 100; i++)
										{
											int diskis =dis/i;
											int dismiskis = dismis/i;
											if (((diskis * i) == dis) && ((dismiskis * i) == dismis))
											{
												if ((2*a1)/i != 1)
												{
													System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i + "\n");
													String x1 = (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i;
												}
												else
												{
													System.out.print("     x = " + (int)(-b1 + ((int) Math.sqrt(s)))/i + "\n");
													int x1 = (int)(-b1 - ((int) Math.sqrt(s)))/i;
												}
												break;
											}
										}
									else
									{
										if ((displus == 1) || (displus == -1))
										{
											String x1 = displus + " / " + dismis + "; ";
										}
										else
										{
											String x1 = (dis / dismis) + "*(" + ((dis - ((dis / dismis) * dismis)) + "/" + dismis) + ");"; 
											System.out.print("     x = " + x1 + "\n"); 
										}
									}
					}
				}
				System.out.print("x2:");
				System.out.print("x = (" + -b1 + " - " + ((int) Math.sqrt(s)) + ") / 2*" + a1 + ";\n");
				System.out.print("     x = " + dis + " / " + dismis + ";\n");
					if (dis/dismis == (double) (dis/dismis))
					{
						if ((dis > 0) && (dismis > 0))
						{
							if ((dis % 2) == 0) //число четное
								for (int i = 2; i <= 100; i++)
								{
									int diskis =dis/i;
									int dismiskis = dismis/i;
									if (((diskis * i) == dis) && ((dismiskis * i) == dismis))
									{
										if ((2*a1)/i != 1)
										{
											System.out.print("     x = " + (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i + "\n");
											String x2 = (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i;
										}
										else
										{
											System.out.print("     x = " + (int)(-b1 - ((int) Math.sqrt(s)))/i + "\n");
											int x2 = (int)(-b1 - ((int) Math.sqrt(s)))/i;
										}
										break;
									}
								}
							else
							{
								String x2 = (dis / dismis) + "*(" + ((dis - ((dis / dismis) * dismis)) + "/" + dismis) + ");"; 
								System.out.print("     x = " + x2 + "\n"); 
							}
						}
						else
							if ((dis < 0) && (dismis < 0))
							{
								if ((dis % 2) == 0) //число четное
									for (int i =2; i <=100; i++)
									{
										int diskis =dis/i;
										int dismiskis = dismis/i;
										if (((diskis * i) == dis) && ((dismiskis * i) == dismis))
										{
											if ((2*a1)/i != 1)
											{
												System.out.print("     x = " + (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i + "\n");
												String x2 = (int)(-b1 - ((int) Math.sqrt(s)))/i + "/" + (int)(2*a1)/i;
											}
											else
											{
												System.out.print("     x = " + (int)(-b1 - ((int) Math.sqrt(s)))/i + "\n");
												int x2 = (int)(-b1 - ((int) Math.sqrt(s)))/i;
											}
										}
										break;
									}
								else
								{
									String x2 = (dis / dismis) + "*(" + ((dis - ((dis / dismis) * dismis)) + "/" + dismis) + ");"; 
									System.out.print("     x = " + x2 + "\n"); 
								}
							}
							else
								if ((dis > 0) && (dismis < 0) || (dis < 0) && (dismis > 0))
									if ((dis % 2) == 0) //число четное
										for (int i =2; i <= 100; i++)
										{
											int diskis =dis/i;
											int dismiskis = dismis/i;
											if (((diskis * i) == dis) && ((dismiskis * i) == dismis))
											{
												if ((2*a1)/i != 1)
												{
													System.out.print("     x = " + (int) diskis + "/" + (int)dismiskis + "\n");
													String x2 = (int)diskis + "/" + (int)dismiskis;
												}
												else
												{
													System.out.print("     x = " + (int) diskis + "\n");
													int x2 = (int)diskis;
												}
											}
											break;
										}
									else
									{
										String x2 = (dis / dismis) + "*(" + ((dis - ((dis / dismis) * dismis)) + "/" + dismis) + ");"; 
										System.out.print("     x = " + x2 + "\n"); 
									}
					}
					else
						if (dis/dismis != (double) (dis/dismis))
						{
							String x2 = ((int) ((-b1 - (int)Math.sqrt(s)) / (2 * a1))) + " * (" + ((int) ((-b1 - (int)Math.sqrt(s)) / (2 * a1)) * (2 * a1) + " / " + (2 * a1)) + ");"; 
							System.out.print("     x = " + x2 + ";\n"); 
						}
						else
						{
							String x2 = ((int) ((-b1 - (int)Math.sqrt(s)) / (2 * a1))) + " * (" + ((int) ((-b1 - (int)Math.sqrt(s)) / (2 * a1)) * (2 * a1) + " / " + (2 * a1)) + ");"; 
							System.out.print("     x = " + x2 + ";\n"); 
						}
				}
			}
	}