//by Ariel Duschanek-Myers
/////////////////////////////////////////////////////////////////

import java.util.*;
import java.lang.Math;

public class quadraticEquation
{
static Scanner console = new Scanner(System.in);
static double a, b, c;//global variables
//------------------Main Method---------------------
public static void main(String[] args)
{

System.out.print("The General form of a quadratic equation is [ax]^2+bx+c.");
System.out.println();

System.out.print("Enter A ");
a = console.nextDouble();
System.out.println();

System.out.print("Enter B ");
b = console.nextDouble();
System.out.println();

System.out.print("Enter C ");
c = console.nextDouble();
System.out.println();

//Method call
test();
}//end main method
public static void test()
{
if ( a > 0 )
{	calcRoots(a, b, c);
}
			if (a == 0)
			{
				System.out.print("Equation is not quadratic.");
				System.out.println();
			}
			//end of If statements

		}	//end test method
public static void calcRoots(double a, double b, double c)
{
double rootNeg = 0;
double rootPos = 0;
	rootNeg = ( + Math.sqrt( b * b - 4 * a * c)- b) / (2 * a);
	rootPos = ( - Math.sqrt( b * b - 4 * a * c)- b) / (2 * a);

	System.out.println("Roots equal "+rootNeg+","+rootPos);
	}
}