Question

find ( n^2-y^2) (n+2y)​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

$\huge{\mathfrak{\red{Solution}}}$

$( {n}^{2} - {y}^{2} )(n + 2y) \\ \\ = (n - y)(n + y)(n + 2y) \\ \\ = {n}^{3} + 2y{n}^{2} - n {y}^{2} - 2 {y}^{3} \\ \\ n ({n}^{2} + 2yn - {y}^{2} )-2{y}^{3}$

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