Can someone help me to factorize this equation please: $\displaystyle x^2-49y^2-14x+49$
Last edited by Swiftler; Sep 24th 2009 at 05:34 PM. Reason: had a wrong sign
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x^2-49y^2-14x+49 = (x-7)^2 - (7y^2) = (x-7-7y)(x-7+7y)
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