document.write( "Question 47654: I have to simplify the rational function of (x2 - z2)/(x + z)
\n" ); document.write( "I have come to 2-z and x+2 and now am sure I am not doing something correctly. Please help!
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Algebra.Com's Answer #31467 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
(x^2 - z^2)/(x + z)=x-z
\n" ); document.write( "You can verify this by multiply (x-z)(x+z) using
\n" ); document.write( "the FOIL method.\r
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\n" ); document.write( "\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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