View Code of Problem 42

# include<stdio.h>
# include<math.h>
int main(void)
{
  float a,b,c,x1,x2;
  scanf("%f %f %f",&a,&b,&c);
  x1 = (-b+sqrt(b*b-4*a*c))/2*a;
  x2 = (-b-sqrt(b*b-4*a*c))/2*a;
  printf("%0.2f %0.2f",x1,x2);
  return 0;
}