document.write( "Question 505265: please help solve special product\r
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Algebra.Com's Answer #339834 by MathLover1(20855)\"\" \"About 
You can put this solution on YOUR website!
\"%283x-%28y%2B1%29%29%283x%2B%28y%2B1%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%283x-y-1%29%283x%2By%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%283x%29%5E2-3xy-3x%2B3xy-y%5E2-y%2B3x-y-1\"\r
\n" ); document.write( "\n" ); document.write( "\"%283x%29%5E2-cross%283xy%29-cross%283x%29%2Bcross%283xy%29-y%5E2-y%2Bcross%283x%29-y-1\"\r
\n" ); document.write( "\n" ); document.write( "\"%283x%29%5E2-y%5E2-2y-1\"\r
\n" ); document.write( "\n" ); document.write( "\"9x%5E2-y%5E2-2y-1\"\r
\n" ); document.write( "\n" ); document.write( "\"9x%5E2-y%28y-2%29-1\"
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