qudratic roots

import java.util.Scanner;

public class RootsType{
    public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    float det;
    double root1,root2;

    System.out.println("enter the number a,b,c");
    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();

    det = b*b-4*a*c;
    root1 = (- b + Math.sqrt(det))/2*a;
    root2 = (- b - Math.sqrt(det))/2*a;
    if(det==0)
    System.out.println("Roots are real and equal");

    else if(det>0)
    System.out.println("roots are real and distinct");
    else
    System.out.println("roots are imaginary");
    System.out.println("root1:"+root1);
    System.out.println("root2:"+root2);

    }

}