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Mathematics, 30.10.2020 23:00 levelebeasley1

After being rearranged and simplified which equation cannot be solved using the quadratic formula? x^3+x^2+x=0
5x+4=3x^2-2
-x^2+4x+7=2x^2-9
-3x^2+9x+3x^2=14+x-1

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After being rearranged and simplified which equation cannot be solved using the quadratic formula?...
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