Question

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Answer 1

Step-by-step explanation:

(n^2-y^2)*(n+2y)

(n+2)(n-2)(n+2y)

Answer 2

Step-by-step explanation:

$( {x}^{2} - {y}^{2} ) \times (x + 2y)$

${x}^{3 } + 2xy - xy - {2y}^{2}$

${x}^{3} - {2y}^{2} + xy$