Which expression is equivalent to -5(x + 2)(2x - 1)(x + 1).
a. -10x³ + 25x² - 5x + 10
b. -10x³ - 25x² - 5x-2
c. 2x³ + 25x² - 5x - 10
d. 2x³ - 25x² - 5x - 2