Kitty613 Kitty613

26-10-2014
Mathematics

contestada

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

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konrad509 konrad509

26-10-2014

[tex]4x^2+81=36x\\ 4x^2-36x+81=0\\ (2x-9)^2=0\\ 2x-9=0\\ 2x=9\\ x=4.5[/tex]

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