document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=93189>Question 93189</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all the numbers for which the rational expression below is not defined:<BR>\n" );
document.write( "x^2-16 / x^2 - 3x+12<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #67820 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=67820\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Undefined if the denominator is zero...<BR>\n" );
document.write( "x^2 - 3x + 12 = 0<BR>\n" );
document.write( "Use any way to solve...<BR>\n" );
document.write( "x^2 - 3x = -12<BR>\n" );
document.write( "(x - 3/2)^2 = -48/4 + 9/4 = -39/4<BR>\n" );
document.write( "x = 3/2 +- i*sqrt(39)/2<BR>\n" );
document.write( "None exist...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C900%2C-5%2C5%2C-3%2C16%2Cx%5E2+-+3x%2B12%2C%28x%5E2-16%29+%2F+%28x%5E2+-+3x%2B12%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );