How about x^2 + 2xy + y^2 =9 Can someone show me this step by step? Thank you so much, Caleb
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Originally Posted by cmr7 How about x^2 + 2xy + y^2 =9 Can someone show me this step by step? Thank you so much, Caleb Substitute and and simplify. Note that .
Thank You Mr. Fantastic!!
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