C Source Code/Roots of an equation

//solution of degree 2 eqn
 
#include<stdio.h>
#include<conio.h>
void main()
{
  float a1,b1,c1,a2,b2,c2,x,y;
  clrscr();
  printf("enter co-eff's of both the equations");
  scanf("%f%f%f%f%f%f",&a1,&b1,&c1,&a2,&b2,&c2);
  y=((c2*a1)-(c1*a2))/((a1*b2)-(a2*b1));
  x=((c1*b2)-(c2*b1))/((a1*b2)-(a2*b1));
  printf("x=%f\n y=%f\n",x,y);
  getch();
}