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19 votes
Factor completely 9x3 + 36x2 - x - 4.

(3x + 4)(3x – 4)(x + 1)
(3x + 1)(3x - 1)(x + 4)
(9x2 - 1)(x + 4)
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(3x + 1)(3x – 1)(x – 4)
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Factor completely 9x3 + 36x2 - x - 4. (3x + 4)(3x – 4)(x + 1) (3x + 1)(3x - 1)(x + 4) (9x-example-1

2 Answers

6 votes

The correct answer is: (3x + 1)(3x - 1)(x + 4)

User Japs
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5.7k points
3 votes
(3x+1)(3x-1)(x-4) is the answer because I work the problem out on a piece of paper
User Mantal
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5.9k points