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5 votes
Which of the binomals is a factor of this trinomal? x^2-x-20

User Okhobb
by
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2 Answers

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

ab = -30 and a + b = -1

x - 6
User Spilly
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8.0k points
0 votes
(X-5)(X+4) would be the correct binomial.
User Tom Pantelis
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8.3k points

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