document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=347456>Question 347456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What number(s) should be excluded as values of x in the polynomial?<BR>\n" );
document.write( "x+2<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "x^2-4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #248421 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=248421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What number(s) should be excluded as values of x in the polynomial?<BR>\n" );
document.write( "x + 2<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "x^2-4<BR>\n" );
document.write( ":<BR>\n" );
document.write( "x values that make the denominator 0 should be excluded<BR>\n" );
document.write( ":<BR>\n" );
document.write( "x^2 - 4 = 0<BR>\n" );
document.write( "Factor the difference of squares<BR>\n" );
document.write( "(x-2)(x+2) = 0<BR>\n" );
document.write( "x = +2<BR>\n" );
document.write( "and<BR>\n" );
document.write( "x = -2, should be excluded </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );