Simplify the product.
4x (2x^3 - 7x^2 + x)
A8x^4 - 28x^3 + 4x^2
B16x^3 - 7x^2 + x
C8x^4 - 7x^2 + x
D16x^4 - 3x^3 + 4x^2
4x (2x^3 - 7x^2 + x)
A8x^4 - 28x^3 + 4x^2
B16x^3 - 7x^2 + x
C8x^4 - 7x^2 + x
D16x^4 - 3x^3 + 4x^2