2y^3+y^2-2y-1 factorise
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Answer:
(2y + 1)(y^2 -1)
Step-by-step explanation:
2y^3 + y^2 - 2y -1
take common from first two terms and last two
=y^2(2y + 1) -1(2y +1)
=(2y +1)(y^2 -1)
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