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Algebra
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which of the following quartic functions has x=-2 and x=-3 as its only two real zeros? x^4-5x^3+7x^2-5x+6 x^4+5x^3+7x^2+5x+6 x^4+5x^3+7x^2-5x-6 x^4-5x^3+7x^2+5x-6
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use the factor them, which says if a is a factor then f(a) = 0. So find f(-2) if it is zero then find f(-3), otherwise move to the next choice
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