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03-09-2015
Mathematics

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Please factor by grouping. Show work 12x^3+2x^2-30x-5

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Panoyin Panoyin

04-09-2015

12x³ + 2x² - 30x - 5
2x²(6x) + 2x²(1) - 5(6x) - 5(1)
2x²(6x + 1) - 5(6x + 1)
(2x² - 5)(6x + 1)

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