document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=133681>Question 133681</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What values of x may not be used in the expression ((x+5)/(x^2-4))?<BR>\n" );
document.write( "I am completely clueless on this stuff it confuses me!<BR>\n" );
document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #97822 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=97822\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> usually, the reason a value may not be used is that it would result in an undefined operation<BR>\n" );
document.write( "__ like division by zero\r<BR>\n" );
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document.write( "values of x that make x^2-4 equal zero are no-no's\r<BR>\n" );
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document.write( "x^2-4=0 __ factoring __ (x+2)(x-2)=0 __ so x+2=0 and x-2=0\r<BR>\n" );
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document.write( "so x can't be 2 or -2 </SPAN>\n" );
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