document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=143284>Question 143284</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have to find the excluded values of    x^4 - 10x^2 +9  and  this is all over<BR>\n" );
document.write( "                                         x^3 + 4x^2 + 3x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #104278 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=104278\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the excluded values are those which would result in the denominator having a value of zero<BR>\n" );
document.write( "__ division by zero is a no-no (undefined)\r<BR>\n" );
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document.write( "x^3+4x^2+3x=0 __ factoring __ x(x^2+4x+3)=0 __ factoring __ x(x+3)(x+1)=0\r<BR>\n" );
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document.write( "x=0\r<BR>\n" );
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document.write( "x+3=0 __ x=-3\r<BR>\n" );
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document.write( "x+1=0 __ x=-1\r<BR>\n" );
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document.write( "0, -3, and -1 are excluded </SPAN>\n" );
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