#include <iostream>
#include <cmath>
void solveQuadtradicEquation(double a, double b, double c) {
    if (a == 0) {
      std::cout << "Invalid input, the equation is not quadratic"<<std::endl;
      return;
    }
    double discriminant = b * b - 4 * a * c; 
    if (discriminant > 0) {
       double x1 = (-b + sqrt(discriminant)) / (2*a);
       double x2 = (-b - sqrt(discriminant)) / (2*a);
       std::cout << "x1 = " << x1 << std::endl;
       std::cout << "x2 = " << x2 << std::endl;
    } else if(discriminant ==0 ) {
       double x1 = -b/(2*a);
       std::cout << "x1 = " << x1 << std::endl;
    } else {
       std::cout << "Equation has no real solutions";
    }
}

int main () {
   double a, b, c;
   std::cout << "Please enter quadratic equation coefficients a, b, and c:";
   // ax^2 + bx + c
   std::cin >> a >> b >> c;
   solveQuadtradicEquation(a, b, c);
}