Question

Simplify by combying like terms​

Answer 1

Answer:

⇒ 3a+−2b+−ab+−a+ b+−ab+3ab+b+−a

⇒ (−ab+−ab+3ab)+(3a+−a+−a)+(−2b+b+b)

→ (ab + b)

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Answer 2

$\huge\frak\red{solution : -}$

$\sf{3a - 2b - ab - (a - b + ab) + 3ab + b - a} \\ \\ \sf{= 3a - 2b - ab - a + b - ab + 3ab + b - a} \\ \\ \sf{= (3a - 2a) + (- 2b + 2b) + (- 2ab + 3ab)} \\ \\\sf\red{= a + ab}$