Question

Please answer the question in the picture down below.

Answer 1

`3a {b}^(2) + {a}^(2) - {b}^(2) - ab`

Explanation:

`{ - 2a}^(2)b + {a}^(2) - 5ab + 3a {b}^(2) - {b}^(2) + 2( {a}^(2) + 2ab)`

`- 2 {a}^(2) b +{a}^(2) - 5ab + 3a {b}^(2) - {b}^(2) + 2 {a}^(2) b + 4ab`

`0 {a}^(2) b + {a}^(2) - ab + 3a {b}^(2) - {b}^(2)`

`3a {b}^(2) + {a}^(2) - {b}^(2) - ab`