document.write( "Question 942548: How would I simplify (7x^2+2xy+y^2)-(7x^2-2xy+x^2)? \n" ); document.write( "
Algebra.Com's Answer #574604 by TimothyLamb(4379)\"\" \"About 
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(7x^2 + 2xy + y^2) - (7x^2 - 2xy + x^2)
\n" ); document.write( "7x^2 + 2xy + y^2 - 7x^2 + 2xy - x^2
\n" ); document.write( "7x^2 - 7x^2 - x^2 + 2xy + 2xy + y^2
\n" ); document.write( "(7x^2 - 7x^2 - x^2) + (2xy + 2xy) + (y^2)
\n" ); document.write( "(-x^2) + (4xy) + (y^2)
\n" ); document.write( "-x^2 + 4xy + y^2
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