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Algebra 8 Online
OpenStudy (anonymous):

Which of the binomials below is a factor of this trinomial? X^2+3x-28 A. X-7 B. X-4 C. X+4 D. X^2+7

pooja195 (pooja195):

What numbers multiply to make -28 BUT add up to 3?

OpenStudy (anonymous):

-4 and 7 ?

OpenStudy (anonymous):

So which one is it ? -4 or 7?

OpenStudy (anonymous):

But there is not 7 they only have x-7 and x^2+7

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