Question

3(3a)(4b)(3a+4b)
Please help me it's urgent.

Answer 1

Answer:

108a²b + 144ab²

Step-by-step explanation:

(3a)(4b) = 12ab

12ab(3a+4b) = 36a²b + 48ab²

3(36a²b + 48ab²) = 108a²b + 144ab²