SOLUTION: X^2+y^2+2(xy-yz-zx)=?

SOLUTION: X^2+y^2+2(xy-yz-zx)=?

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Question 1046629: X^2+y^2+2(xy-yz-zx)=?

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
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