#include <iostream> #include <cmath> using namespace std; int main() { cout << "enter x,y\n" ; float x,y; cin >> x >> y ; if(18 * y - 1!=0){ cout << " -y^2-12xy+3x^2 = " << -pow(y,2) - 12 * x * y + 3 * pow(x,2); } else{ cout << "no solutions"; } return 0; }