Question

Solve these two problems.
1. Factorize: 36a-42ab
2. Factorize: 75z-15xz+45zy

Answer 1

Answer:

$36a - 42ab \\ = \underline{ \underline{ 6a(6 - 7b)}} \\ \\ 75z - 15xz + 45zy \\ =\underline{ \underline{ 15z(5 - x + 3y)}}$