Find All Roots of Quadratic Equation

1#include <stdio.h>
2#include <math.h>
3
4int main() {
5    double a, b, c, discriminant, root1, root2;
6    
7    printf("Enter coefficients (a b c): ");
8    scanf("%lf %lf %lf", &a, &b, &c);
9    
10    discriminant = b * b - 4 * a * c;
11    
12    if (discriminant > 0) {
13        root1 = (-b + sqrt(discriminant)) / (2 * a);
14        root2 = (-b - sqrt(discriminant)) / (2 * a);
15        printf("Two distinct real roots:\n");
16        printf("x1 = %.2f\nx2 = %.2f\n", root1, root2);
17    } 
18    else if (discriminant == 0) {
19        root1 = -b / (2 * a);
20        printf("One repeated root: x = %.2f\n", root1);
21    } 
22    else {
23        double realPart = -b / (2 * a);
24        double imagPart = sqrt(-discriminant) / (2 * a);
25        printf("Complex roots:\n");
26        printf("x1 = %.2f + %.2fi\n", realPart, imagPart);
27        printf("x2 = %.2f - %.2fi\n", realPart, imagPart);
28    }
29    
30    return 0;
31}