document.write( "Question 519405: add
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document.write( "(2x^2-5xy+y^2)+(-9x^2-4xy-y^2)+(x^2+xy-8y^2) \n" );
document.write( "
Algebra.Com's Answer #345570 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! (2x^2-5xy+y^2)+(-9x^2-4xy-y^2)+(x^2+xy-8y^2) \n" ); document.write( "= 2x^2 - 5xy + y^2 - 9x^2 - 4xy - y^2 + x^2 + xy - 8y^2 {took out parentheses} \n" ); document.write( "= -6x^2 - 8xy - 8y^2 {combined like terms} \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |