#include <stdio.h>
#include <stdio.h>
int main () {
float disc a,b,c,x1,x2;
printf("please enter a,b,c:");
scanf("%lf,%lf,%lf",&a,&b,&c);
printf("The equation");
disc=b*b-4*a*c;
if((disc)==0)
printf("has two equal roots :%1f\n",-b/(2*a));
else if (disc>0)
{
x1=(-b+sqrt(disc))/(2*a);
x2=(-b-sqrt(disc))/(2*a);
printf("has distinct real roots:%lf and%lf/n",x1,x2);
}
return 0;
}