Question

Find the product of (2y - 1) and (4y² + 2y + 1).

help.​

Answer 1

8y³ - 1

Explanation:

(2y - 1) × (4y² + 2y + 1) =

= 2y×4y² - 1×4y² + 2y×2y - 1×2y + 2y×1 - 1×1 =

= 8y³ - 4y² + 4y² - 2y + 2y - 1 =

= 8y³ - 1

Answer 2

8y^3 - 1

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