EXERCICE5

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main()
{
    int a,b,c,del;
    scanf("%d",&a);
    scanf("%d",&b);
    scanf("%d",&c);
    del=(b*b)-4*a*c;
    if(del<0)
    {
        printf("il n'y a pas de solution pour cette equation");
    }
    else
    {
        if(del==0)
        {
            printf("x=%f",-b/(2*a));
        }
        else
        {
            if(del>0)
            {
                printf("x1=%f et x2=%f",(-b-sqrt(del))/(2*a),(-b+sqrt(del))/(2*a));
            }
        }
    }

}