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OpenStudy (anonymous):
factorize -7x^2-4x+20
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OpenStudy (aum):
-7x^2-4x+20 = -7x^2 - 14x + 10x + 20 Factor the first two terms. Factor the last two terms. combine the factors and simplify.
OpenStudy (aum):
-7x^2-4x+20 = -7x^2 - 14x + 10x + 20 -7x(x + 2) + 10(x+2) (x+2)(-7x+10) or -(x+2)(7x-10) either one is okay.
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