document.write( "Question 916815: simplify the following expression and combined like terms \r
\n" ); document.write( "\n" ); document.write( "3(-4xto the second power+10yto the second power)+10(4y to the second power+ x to the second power)
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Algebra.Com's Answer #556341 by rfer(16322)\"\" \"About 
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3(-4x^2+10y2)+10(4y^2+x^2)=
\n" ); document.write( "-12x^2+30y^2+40y^2+10x^2=
\n" ); document.write( "-2x^2+70y^2
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