Quadratic equation

void main()

{ 

float a,b,c,d,s,x,y;

printf("Enetr the values of a,b,c");

scanf("%f %f %f",&a,&b,&c);

d=((b*b)-(4*a*c));

s=sqrt(d);

x= (-b+s)/(2*a);

y= (-b-s)/(2*a); 

printf("The quadratic equation is x=%f and y=%f",x,y);

getch(); 

}