Question

factorise 2y3 +y2 -2y - 1​

Answer 1

Step-by-step explanation:

2y³+y²-2y-1

take y-1. common

(y-1)(2y²+3y+1)

(y-1)(2y²+2y+y+1)

(y-1){2(y(y+1)+1(y+1)}

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

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