document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=57060>Question 57060</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to find any real numbers for which the following expression is undefined. I just can't seem to grasp it.<BR>\n" );
document.write( "____X-5___<BR>\n" );
document.write( "       X+2 </SPAN>\n" );
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document.write( "       X+2<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "It looks like x+2 is in the denominator.<BR>\n" );
document.write( "If that is so you know the expression is <BR>\n" );
document.write( "undefined if the denominator is zero.<BR>\n" );
document.write( "Your denominator is zero when x=-2<BR>\n" );
document.write( "That is when the expression is undefined.<BR>\n" );
document.write( "cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );