Question

Multiply:
(a+3)^3

Answer 1

(a+3)(a+3)(a+3). I would take two of them first then multiply it again. So (a+3)(a+3) = (a^2 + 6a + 9)(a+3) = a^3 + 3a^2 +6a^2+18a + 9a + 27. Combine like terms, a^3 + 9a^2 + 27a+ 27

Answer 2

a^3+9a^2+18a+27