Question

How do you factor `15a^2b - 10ab^2`?

Answer 1

`15a^2b-10ab^2 = 5ab(3a-2b)`

Explanation:

Both of the terms are divisible by `5ab`, so separate that out as a factor:

`15a^2b-10ab^2=5ab(3a)-5ab(2b)=5ab(3a-2b)`