document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=450742>Question 450742</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all numbers for which the rational expression is undefined:\r<BR>\n" );
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document.write( "    m^3 - 4m<BR>\n" );
document.write( "    --------<BR>\n" );
document.write( "    m^2 - 81 \r<BR>\n" );
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document.write( "I do not have any work on this, but I know that the first step is to make the denominator = to 0.<BR>\n" );
document.write( "then to solve for m. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310015 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=310015\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find all numbers for which the rational expression is undefined:<BR>\n" );
document.write( "m^3 - 4m<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "m^2 - 81 <BR>\n" );
document.write( ":<BR>\n" );
document.write( "Yes, just do that<BR>\n" );
document.write( "m^2 - 81 = 0<BR>\n" );
document.write( "m^2 = 81<BR>\n" );
document.write( "m = +/-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2881%29 ALIGN=MIDDLE  ALT=\"sqrt%2881%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "m = 9<BR>\n" );
document.write( "and<BR>\n" );
document.write( "m = -9<BR>\n" );
document.write( ":<BR>\n" );
document.write( "undefined when m = 9 and m = -9 </SPAN>\n" );
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