/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		double a = 1.0;
        double b = 10.0;
        double c = 1.0;
		double x1= ( -b + Math.sqrt( Math.pow(b,2.0) - 4.0*a*c) ) / ( 2.0*a);
        double x2= ( -b - Math.sqrt( Math.pow(b,2.0) - 4.0*a*c) ) / ( 2.0*a);
        System.out.println("A formula resolvente pode dar " + x1 + " ou " + x2);
	}
}

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