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How do you factor 3y^3 - y^2 -9y + 3​

1 Answer

1 vote

Answer:

(3y - 1)(y - √3)(y + √3)

Explanation:

Factor by grouping.

3y³ - y² - 9y + 3

= (3y³ - y²) - (9y - 3)

= y²(3y - 1) - 3(3y - 1)

= (3y - 1)(y² - 3)

= (3y - 1)(y - √3)(y + √3)

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