Question

factorise:2y³+y²–2y–1​

Answer 1

Answer:

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

Step-by-step explanation:

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

common factor 2y+1

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

complete factorization

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