document.write( "Question 72367: (X^2 + 2xy +Y^2)-49 \n" ); document.write( "
Algebra.Com's Answer #51719 by stanbon(75887)\"\" \"About 
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(X^2 + 2xy +Y^2)-49\r
\n" ); document.write( "\n" ); document.write( "= (x+y)^2 - 49\r
\n" ); document.write( "\n" ); document.write( "= (x+y+7)(x+y-7)\r
\n" ); document.write( "\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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