document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=245857>Question 245857</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.\r<BR>\n" );
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document.write( "x^ + 8x +12 / x^ + 9x +14\r<BR>\n" );
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document.write( "with / being the fraction line </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179517 by </B><A HREF=/tutors/aboutme.mpl?userid=dabanfield><B>dabanfield(803)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dabanfield><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=179517\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Did you mean:\r<BR>\n" );
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document.write( "(x^2 + 8x + 12)/x^2 + 9x + 14)?\r<BR>\n" );
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document.write( "Factoring the numerator and denominator gives:\r<BR>\n" );
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document.write( "((x+6)*(x+2))/((x+7)(x+2))\r<BR>\n" );
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document.write( "Cancelling the (x+2) factors we have:\r<BR>\n" );
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document.write( "(x+6)/x+7)\r<BR>\n" );
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document.write( "Since x = -7 makes the denominater 0, -7 is not in the domain. </SPAN>\n" );
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