SOLUTION: {{{ 4(2x-y)^2-1 }}}

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Question 545833: +4%282x-y%29%5E2-1+
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
4(2x-y)^2-1
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4(4x^2-4xy+y^2) -1
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= 16x^2-16xy+4y^2-1
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Cheers,
Stan H.
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