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448

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(-2x+11y)2

Guest Jul 24, 2016

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+118608

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(-2x+11y)2

\((-2x+11y)^2\\ =(-2x)^2\;+\;2*(-2x)*(11y)\:+\;(11y)^2\\ =4x^2\;-\;44xy\:+\;121y^2\)

Melody Jul 25, 2016

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