Persamaan Kuadrat

#include <iostream>
//ini adalah fungsi-nya
using namespace std;
float F(float X)

{
return X*X+3*X+5;//Fungsi diisi hasil dari perhitungan X2+3*X+5
}
main()
{

float X;
cout<<"\t\t$------------------------------------$"<<endl;
cout<<"\t\t|  CONTOH PROGRAM PERSAMAAN KUADRAT  |"<<endl;
cout<<"\t\t|        by : ageung hidayat         |"<<endl;
cout<<"\t\t$-------$-------*****-------$--------$"<<endl;
cout<<"============================"<<endl;
cout<<"Persamaan Kuadrat = X*X+3X+5"<<endl;
cout<<"============================"<<endl;
cout<<"Masukkan Nilai X = ";
cin>>X;
cout<<"\n";
//output-nya
cout<<"Jawab : "<<endl;
cout<<"("<<X<<")*("<<X<<")+3("<<X<<")+5 = "<<F(X)<<""<<endl;
cout<<"Jadi, Persamaan Kuadrat-nya adalah "<<F(X)<<endl;
}