Binomial Expander

#include<iostream>
#include<math.h>
using namespace std;

int Factorial(int Number)
{
    int ReturnThis = 1;
    for (int i = 1; i <= Number; i++) ReturnThis *= i;
    return ReturnThis;
}

int Choose(int n, int r)
{
    int Numerator = Factorial(n);
    int Denominator1 = Factorial(r);
    int Denominator2 = Factorial(n-r);
    if (Denominator1 * Denominator2 == 0) return 0;
    else return Numerator / (Denominator1 * Denominator2);
}

int main()
{
    int a,b,c;
    cout << "Hello and welcome to Ultra Binomial Fighter V10" << endl << "(ax + b) ^ c \n\n" << "a:\n>";
    cin >> a;
    cout << "\nb:\n>";
    cin >> b;
    cout << "\nc:\n>";
    cin >> c;

    for (int i = 0; i <= c; i++)
    {
        cout << pow(static_cast<double>(a), static_cast<double>(c-i)) * Choose(c,i) * pow(static_cast<double>(b),static_cast<double>(i));
        if (i != c) cout << "x ^ " << c - i << " + ";
    }
    return 0;
}