#include <stdio.h>
#include <stdlib.h>

int main()
{
    double a, b, c, delta, x, x1, x2;

    printf("Wprowadz wspolczynniki a, b oraz c: ");
    scanf("%lf %lf %lf",&a, &b, &c);

    if(a==0)
    {
        x = (c/b);
        printf("x = %lf \n", x);
        exit(0);
    }

    delta = b*b-4*a*c;

    printf("Delta wynosi: %lf \n", delta);

    if(delta > 0)
    {
        x1 = (-b+sqrt(delta))/(2*a);
        x2 = (-b-sqrt(delta))/(2*a);
        printf("x1 = %.2lf oraz x2 = %.2lf \n", x1, x2);
    }
    else if (delta == 0)
    {
        x1 = x2 = -b/(2*a);
        printf("x1 = x2 = %.2lf \n", x1);
    }
    else
    {
        printf("Brak rozwiazań w ciele liczb rzeczywistych.");
    }

    return 0;
}