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Factor by grouping

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How do I factor this by grouping?

63x³-18x²+35x-10
asked Mar 12, 2014 in ALGEBRA 1 by futai Scholar
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1 Answer

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Given polynomial 63x ^3 - 18x ^2 + 35x - 10

= 9x ^2(7x - 2) + 5(7x - 2)

Take out common factors

= (7x - 2)(9x ^2 + 5)

63x ^3 - 18x ^2 + 35x - 10 = (7x - 2)(9x ^2 + 5).

answered Mar 12, 2014 by david Expert

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