Answer:
36x² + 24x + 4
Step-by-step explanation:
Given
(6x + 2)² = (6x + 2)(6x + 2)
Each term in the second factor is multiplied by each term in the first factor, that is
6x(6x + 2) + 2(6x + 2) ← distribute both parenthesis
= 36x² + 12x + 12x + 4 ← collect like terms
= 36x² + 24x + 4
