document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=334568>Question 334568</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to know how to find out all numbers for which rational expression is not defined. Any help would be greatly appriciated. Thank you.\r<BR>\n" );
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document.write( "2x          </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #239745 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=239745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since you CANNOT divide by zero, this means that the denominator can't be zero. So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%3C%3E0 ALIGN=MIDDLE  ALT=\"2x%3C%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Solve for x to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3C%3E0 ALIGN=MIDDLE  ALT=\"x%3C%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So this means that 'x' can't be equal to zero. \r<BR>\n" );
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document.write( "So the rational expression is not defined when x is zero. </SPAN>\n" );
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