Question

2y3+y2-2y+1 factorise​

Answer 1

Answer:

Factorising 2y³+y²-2y+1

= y²(2y+1)-1(2y+1)

= (2y+1)(y²-1)

= (2y+1)(y²-1²)

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

/* By algebraic identity:

a²-b² = (a+b)(a-b) */

Therefore,

2y³+y²-2y-1=(2y+1)(y-1)(y+1)

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Step-by-step explanation:

Answer 2

Answer:

x+1 is the right factor