document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=733472>Question 733472</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the value of x for which each of the following is undefined \r<BR>\n" );
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document.write( "X2 - x -2 <BR>\n" );
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document.write( "X2+ 3x + 2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #448406 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39623)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=448406\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The expression is undefined when the denominator is zero.  This denominator factors to (x+1)(x+2), so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3C%3E-1 ALIGN=MIDDLE  ALT=\"x%3C%3E-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3C%3E-2 ALIGN=MIDDLE  ALT=\"x%3C%3E-2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. \r<BR>\n" );
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document.write( "Numeric expressions are not formal written English.  Do not capilolize the variable at the start of a writing line nor at the start of a sentence based on the character's position on the page nor the writing location.  X is a different variable than x.  x is a different variable than X.  That is the convention about numeric variables.  \r<BR>\n" );
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document.write( "Also, designate your superscripts and subscripts reliably.  You want your rational expression to look this way:\r<BR>\n" );
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document.write( "As plain text:<BR>\n" );
document.write( "(x^2 - x -2) /(x^2+ 3x + 2)\r<BR>\n" );
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document.write( "As rendered between triple braces tags in this system:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2+-+x+-2%29+%2F%28x%5E2%2B+3x+%2B+2%29 ALIGN=MIDDLE  ALT=\"%28x%5E2+-+x+-2%29+%2F%28x%5E2%2B+3x+%2B+2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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