SOLUTION: Solve the quadratic function by factoring: 4x^2 - 36x = -81

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Question 429813: Solve the quadratic function by factoring:
4x^2 - 36x = -81
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
4x^2 - 36x = -81
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4x^2 - 36x + 81 = 0
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Factor:
(2x+9)(2x-9) = 0
x = -9/2 or x = 9/2
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cheers,
Stan H.