x²=-c/a+b
x=Radical(-c/a+b)
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
float a,b,c,x;
cout<<"A="
cin>>a;
cout<<endl;
cout<<"B=";
cin>>b;
cout<<endl;
cout<<"C=";
cin>>c;
cout<<endl;
x=sqrt(-c/a+b);
cout<<"X="<<x<<endl;
return 0;
}