What is the product of the polynomials below?

(x - 6)(x^2 + 2x - 4)

A. x^3 - 4x^2 - 16x + 24
B. x^3 + 2x^2 - 4x + 24
C. x^3 - 4x^2 - 4x + 24
D. x^3 + 2x^2 - 16x + 24