zaycampbell11 zaycampbell11

25-04-2017
Mathematics

contestada

which of the binomals is a factor of this trinomal? x^2-x-20

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alexel404 alexel404

25-04-2017

(X-5)(X+4) would be the correct binomial.

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XxLostAndBrokenxX XxLostAndBrokenxX

25-04-2017

x^ 2 - x - 30 = ( x + a)(x + b)

ab = -30 and a + b = -1

x - 6

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