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Solve for 4x^2+81=36x using the quadratic formula

Solve for 4x^2+81=36x using the quadratic formula
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Solve for 4x^2+81=36x using the quadratic formula

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User Kurt Peek
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4x^2+81=36x\\ 4x^2-36x+81=0\\ (2x-9)^2=0\\ 2x-9=0\\ 2x=9\\ x=4.5
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User Sofia Bo
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