Question

I want the answer for : Find the product of (a+2b)(2a-b) and (3a-2a)

Answer 1

a(2a-b) +2a(2a- b) ×(3a-2a)
$2a {}^{2} -ab + 4a {}^{2} - 2ab \: \times (a)$
$6a {}^{2} - 3ab \: \times a$
$6 a {}^{3} - 3a {}^{2} b$