Question

2y3+y2-2y-1 factorise

Answer 1

Hey user

Here is your answer :-

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

》y^2 ( y + 1 ) - 1 ( y + 1 )

》( y + 1 )( y^ - 1 )

》( y + 1 ) [ ( y )^2 - ( 1 )^2 ]

》( y + 1 )( y + 1 )( y - 1 )

Thank you .