Question

5 a - 7 ab + 5 b² from
rom 3 ab-2a² - 2 b2​

Answer 1

Answer:

3ab - 2a² + 2b²

-. -7ab - 5a² + 5b²

(+). (+). (-).

_________________

10ab + 3a² - 3b²

__________________

Answer 2

{Answer}

3ab−2a

2

−2b

2

−(5a

2

−7ab+5b

2

)

3ab−2a

2

−2b

2

−5a

2

+7ab−5b

2

10ab−7a

2

−7b

2