document.write( "Question 472136: if (x-y)^2=50 and xy=7, what is the value of x^2+y^2? \n" ); document.write( "
Algebra.Com's Answer #323736 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%28x-y%29%5E2=50\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-2xy%2By%5E2=50\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-2%287%29%2By%5E2=50\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-14%2By%5E2=50\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2By%5E2=50%2B14\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2By%5E2=64\"
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