Question

fsctorise 2y^2+y^2-2y-1​

Answer 1

Answer:

Step-by-step explanation:

3y^2 - 2y - 1

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

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

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

y = -1/2 and y = 1

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Answer 2

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