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12-06-2017
Mathematics

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Factor this expression. x2 + 9x + 8

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shadowflash shadowflash

12-06-2017

x^2 + 9x + 8 = 0

To find the factors we need to find two number that multiply to equal 8 but add to equal 9.

8 = 1*8 9 = 1+8

(x + 1)*(x + 8) = 0

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