document.write( "Question 677824: 3x^2 y - 2xy + 5xxy + 9xy - yx^2 \n" ); document.write( "
Algebra.Com's Answer #421553 by ReadingBoosters(3246)\"\" \"About 
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combine like terms
\n" ); document.write( "\"3x%5E2y+-+yx%5E2+%2B+5x%5E2y+-+2xy+%2B+9xy\"
\n" ); document.write( "...
\n" ); document.write( "\"7x%5E2y+%2B+7xy\"
\n" ); document.write( "...
\n" ); document.write( "\"highlight_green%287xy%28x%2B1%29%29\"
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