import java.util.Scanner;
public class Quadratic4 {
    public static void main (String[] args) {
        // The next line is for hardwiring; we are reading the count
        // final int count = 10;
        Scanner getInput = new Scanner(System.in);
        System.out.println("Solving quadratic equations ax^2 + bx + c");
        System.out.println("How many equations are to be solved?");
        int count = getInput.nextInt();
        while (count-- > 0) {
            System.out.println("Enter real numbers a, b, c");
            double a = getInput.nextDouble();
            double b = getInput.nextDouble();
            double c = getInput.nextDouble();
            if (a == 0)
                if (b != 0)
                    System.out.println("One real root: " + -c/b);
                else if (c == 0) // note a and b are zero
                    System.out.println("Trivial: all values are roots!");
                else
                    System.out.println("Inconsistant: no roots!");
            else { // a != 0
                double discriminant = b*b - 4.0*a*c;
                if (discriminant < 0)
                    System.out.println("The roots are complex");
                else if (discriminant == 0) 
                    System.out.println("One (double) root: " + -b/(2*a));
                else {                  // discriminant > 0
                    double ans1 = (-b + Math.pow(discriminant,0.5))/(2.0*a);
                    double ans2 = (-b - Math.pow(discriminant,0.5))/(2.0*a);
                    System.out.println("Two roots: " + ans1 + " and " + ans2);
                }
            }
        }
    }
}