document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=327563>Question 327563</A>: <I><SPAN STYLE=\"word-break: break-all;\"> List all numbers for which the rational expression is undefined:\r<BR>\n" );
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document.write( "  x^2-4<BR>\n" );
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document.write( "  x^2-8x+15\r<BR>\n" );
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document.write( "Thanks in advance :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #234601 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=234601\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> List all numbers for which the rational expression is undefined: <BR>\n" );
document.write( "x^2-4<BR>\n" );
document.write( "____________<BR>\n" );
document.write( "x^2-8x+15 <BR>\n" );
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document.write( "The expression is undefined when the denominator is zero.<BR>\n" );
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document.write( "Solve: x^2-8x+15 = 0<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(x-5)(x-3) = 0<BR>\n" );
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document.write( "Undefined when x = 3 and when x = 5<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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