Question

factorise:2y^3+y^2-2y-1​

Answer 1

Answer:

2y^3 + y^2 - 2y - 1

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

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

Answer 2

Answer:

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

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

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

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

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