SOLUTION: If x^2 +y^2=24 and xy=z solve for(x+y)^2

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Question 724529: If x^2 +y^2=24 and xy=z solve for(x+y)^2
Answer by jsmallt9(3758) About Me  (Show Source):
You can put this solution on YOUR website!
From our factoring patterns we should know that
%28x%2By%29%5E2+=+x%5E2%2B2xy%2By%5E2
We already know that the x%5E2%2By%5E2 part of the right side is 24. And since xy = z, then 2xy would be 2z. So
%28x%2By%29%5E2+=+24+%2B+2z