"Function Products"

Given the following functions:

f(x) = 50x^3 - 46x^2 + 25x - 14
g(x) = 49x^3 + 45x^2 - 20x^3 + 195x - 4

What are the first 5 digits of f(105) * g(105)?

Note that ^ means exponent


Once you understand the math and know how your language uses large numbers just work through this step by step.

Awnser:

Source: