Question

3a-2b-ab-(a-b+ab)+3ab+b-a

Answer 1

$\underline{\large\bf{\mathfrak{Bonjour!}}}$

$= > 3a - 2b - ab - (a - b + ab) + 3ab + b - a \\ \\ = > 3a - 2b - ab - a + b - ab + 3ab + b - a \\ \\ = > 3a - 2a - 2b + 2b + 3ab - 2ab \\ \\ = > a + ab \\ \\ = > a(1 + b)$

$\bf{\mathfrak{Hope \: this \: helps...:)}}$

Answer 2

3a-2b-ab-a+b+ab+3ab+b-a

(3a-a-a+3a)+(-2b+b+b)+(-ab-ab)

4a-2ab

2a(2-b)