Question

Expand using appropriate identities. (3p+2q)²

Answer 1

(3p + 2q)^2

using identing (a+b)^2 = a^2 +b^2 + 2ab

= 3p^2 + 2q^2 + 2 × 3p × 2q

= 9p^2 + 4q^2 + 12pq is anwer thx me later