Question

How do you factor `8ab^2 -12ab`?

Answer 1

You factor both terms, and take common factors "out of the brackets". You leave the rest inside.

Explanation:

`=(2*2*2*a*b*b)-(2*2*3*a*b)`

Common is `=2*2*a*b=4ab`

`=4ab(2b-3)`