Question 1034064
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{{{x^2+9x=20}}} / {{{(x+4)}}}
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{{{(x^2+9x)/(x+4)=(20/(x+4))}}} Multiply both sides by (x+4)
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{{{x^2+9x=20}}}
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{{{x^2+9x-20=0}}}
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*[invoke quadratic "x", 1, 9, -20 ]
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I think perhaps you mis-worded your question.
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