document.write( "Question 132145: Simplify $\"%284x%5E2-7xy%2By%5E2%29%2B%28-8x%5E2-2xy-y%5E2%29%2B%28x%5E2%2Bxy-7y%5E2%29\"$ \n" ); document.write( "

Algebra.Com's Answer #96523 by jim_thompson5910(35256) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%284x%5E2-7xy%2By%5E2%29%2B%28-8x%5E2-2xy-y%5E2%29%2B%28x%5E2%2Bxy-7y%5E2%29\"$ Start with the given expression\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"%28y%5E2-y%5E2-7y%5E2%29%2B%284x%5E2-8x%5E2%2Bx%5E2%29%2B%28-7xy-2xy%2Bxy%29\"$ Group like terms\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"-7y%5E2-3x%5E2-8xy\"$ Combine like terms \n" ); document.write( "

\n" );