Answer:
A
Explanation:
Given
(x + 2)³
= (x + 2)(x + 2)(x + 2) ← expand second/third factor using FOIL
= (x + 2)(x² + 4x + 4) ← distribute
= x(x² + 4x + 4) + 2(x² + 4x + 4) ← distribute both parenthesis
= x³ + 4x² + 4x + 2x² + 8x + 8 ← collect like terms
= x³ + 6x² + 12x + 8 → A