document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=625397>Question 625397</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For what value of x is the rational expression Below undefined<BR>\n" );
document.write( "X-4/4+x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #393504 by </B><A HREF=/tutors/aboutme.mpl?userid=reynard2007><B>reynard2007(52)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reynard2007><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=reynard2007><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=393504\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=calibri size=3><BR>\n" );
document.write( "In rational expressions, the denominator should not equal zero. The only instance 4+x=0 is when x=-4. So, the rational expression is undefined when <b>x is -4</b> </SPAN>\n" );
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