Question

How do you simplify `2ac+a(b-1)-3(ab-ac)`?

Answer 1

`color(blue)(a(5c-2b-1)`

Explanation:

`2ac+a(b-1)-3(ab-ac)`

`:.=2ac+ab-a-3ab+3ac`

`:.=5ac-2ab-a`

`:.color(blue)(=a(5c-2b-1)`