document.write( "Question 319691: 2x/x^2+4 minus 2x-1/x^2+4\r
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\n" ); document.write( "\n" ); document.write( "The answer I came up with was -1/x^2+4, is this correct?
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Algebra.Com's Answer #228924 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
2x/x^2+4 minus 2x-1/x^2+4
\n" ); document.write( "(2x-(2x-1))/(x^2+4)
\n" ); document.write( "(2x-2x+1/(x^2+4)
\n" ); document.write( "1/(x^2+4) ans.
\n" ); document.write( "You forgot that (-) times a (-) is = (+).
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