document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=154639>Question 154639</A>: <I><SPAN STYLE=\"word-break: break-all;\"> consider  the problem x-8/ x +5 divided by x -9/ x + 4. Explain why -5,9,and -4 are not allowable replacement for variable x.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #113877 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=113877\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Any of those answers would make a denominator of a fraction expression equal to zero. <BR>\n" );
document.write( "A division by zero would occur, which is an undefined quantity and is not allowed.   </SPAN>\n" );
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