Select the correct product.
(x^2 + 4x + 8)(2x - 1)
a. 2x^3 + 7x^2 + 12x - 8
b. 2x^3 - 7x^2 - 12x - 8
c. x^2 + 6x + 7
d. x^2 + 8x - 8
(x^2 + 4x + 8)(2x - 1)
a. 2x^3 + 7x^2 + 12x - 8
b. 2x^3 - 7x^2 - 12x - 8
c. x^2 + 6x + 7
d. x^2 + 8x - 8