Question

Factorise:2y3

+y2

-2y-1​

Answer 1

Answer:

(2y + 1)(y² - 1)

Step-by-step explanation:

2y³ + y² - 2y - 1

= 2y³ - 2y + y² - 1

= 2y(y² - 1) + 1 (y² - 1)

= (2y + 1)(y² - 1)

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