Answer:
w² + 12w + 36
Explanation:
given
(w + 6)²
= (w + 6)(w + 6)
each term in the second factor is multiplied by each term in the first factor , that is
w(w + 6) + 6(w + 6) ← distribute parenthesis
= w² + 6w + 6w + 36 ← collect like terms
= w² + 12w + 36