document.write( "Question 461614: Good morning
\n" ); document.write( "I have another one:\r
\n" ); document.write( "\n" ); document.write( "Add:
\n" ); document.write( "(2x^2-2xy+y^2) + (-7x^2-3xy-y^2) + (x^2+xy-2y^2)\r
\n" ); document.write( "\n" ); document.write( "I get so confused on these, please help
\n" ); document.write( "Thanks
\n" ); document.write( "Gina
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Algebra.Com's Answer #316532 by sudhanshu_kmr(1152)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "(2x^2-2xy+y^2) + (-7x^2-3xy-y^2) + (x^2+xy-2y^2) \r
\n" ); document.write( "\n" ); document.write( "= 2x^2-7x^2 +x^2 -2xy -3xy +xy + y^2 -y^2-2y^2\r
\n" ); document.write( "\n" ); document.write( "= -4x^2 -4xy -2y^2\r
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