Question

hiw to solve this please tell me

Answer 1

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$2 {y}^{3} + {y}^{2} - 2y - 1 \\ \\ {y}^{2} (2y + 1) - 1(2y + 1) \\ \\ ( y - 1)(y+1)(2y + 1)$

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Answer 2

y^2(2y+1) - 1(2y+1)
(2y+1) (y^2-1)