Task2

import java.util.Scanner;

public class Task2 {
    public static void main(String[] args) {
        double a, b, c, z;
        Scanner in = new Scanner(System.in);
        System.out.println("Enter a, b, c");
        a = in.nextDouble();
        b = in.nextDouble();
        c = in.nextDouble();
        z = (b + Math.sqrt(b + 4 * a * c)) / (2 * a)  - Math.pow(a, 3) * c - Math.pow(b, -2);
        System.out.println(z);
    }
}