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Factor 9x^3 + 18x^2 – x – 2

0 votes

Factor 9x^3 + 18x^2 – x – 2

asked Oct 13, 2013 in ALGEBRA 1 by andrew Scholar

1 Answer

0 votes

Given that

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Factor out the common terms

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Take out common term (x + 2)

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answered Oct 18, 2013 by jouis Apprentice

(x + 2)(9x2 - 1) = (x + 2)[ (3x)2 - 12 ]

= (x + 2)(3x + 1)(3x - 1).

Therefore, The factor form of  9x3 + 18x2 - x - 2 is (x + 2)(3x + 1)(3x - 1).

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