Question

Add:
$11 {a}^{2} b - 10 {a}^{3} {b}^{2} - 8 {ab}^{2} and 15 {ab}^{2} + 22 {a}^{3} {b}^{2} - 9 {a}^{2} b$


plz send the answer​

Answer 1

Answer:

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