document.write( "Question 1013519: Which of the following is equal to the rational expression when x does not equal -4 or 16?
\n" ); document.write( "x^2-16/(X-16)(x+4)
\n" ); document.write( "A.1/x+4
\n" ); document.write( "B.x-4/x-16
\n" ); document.write( "C.x/x+7
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Algebra.Com's Answer #629805 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
Factor and cancel.
\n" ); document.write( "x^2-16/(x-16)(x+4) = (x+4)(x-4) / (x-16)(x+4) = x-4 / x-16
\n" ); document.write( "Choice B.
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