document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=222410>Question 222410</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( "q^3-2q / q^2-4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166503 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=166503\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A rational expression (fraction!) is undefined if the denominator is ZERO!  In this case, \r<BR>\n" );
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document.write( "q^2-4 =0<BR>\n" );
document.write( "(q-2)(q+2)=0<BR>\n" );
document.write( "q=2 and q=-2\r<BR>\n" );
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document.write( "R^2 </SPAN>\n" );
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