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OpenStudy (anonymous):
After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? Check all that apply. A.9x+3x^2=14x+x-1 B.5x+4=3x^4-2 C.-x^2+4x+7=-x^2-9 d.2x^2+x^2+x=30
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OpenStudy (anonymous):
A and C because the given powers are how they should be when solving with the quadratic formula.
OpenStudy (anonymous):
the others aren't
OpenStudy (anonymous):
did that help?
OpenStudy (anonymous):
kay
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