document.write( "Question 590909: Can someone please explain to me how to do this problem?\r
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document.write( "(9x^2-xy+y^2)+ (-x^2-8xy+9y^2) \n" );
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Algebra.Com's Answer #375349 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 9x^2-xy+y^2-x^2-8xy+9y^2 \n" ); document.write( "8x^2-10xy+10y^2 \n" ); document.write( " |