document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=473139>Question 473139</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the sum x+4/x2+6x+9 - 1/x2-9 i dont get it beacuse it says the sum but has a minus sign here are the options:<BR>\n" );
document.write( "A) x2-x-15 <BR>\n" );
document.write( "(x+3)^2(x-3 \r<BR>\n" );
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document.write( "B) x2+x-15 <BR>\n" );
document.write( "(x+3)^2(x-3) \r<BR>\n" );
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document.write( "C) x2-15 <BR>\n" );
document.write( "(x+3)^2(x-3) \r<BR>\n" );
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document.write( "D) x2-15 <BR>\n" );
document.write( "(x-3)^2(x+3) \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #324425 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=324425\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x+4)/(x^2+6x+9) - 1/(x^2-9) i dont get it because it says the sum but has a minus sign here are the options:<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "(x+4)/(x+3)^2 - 1/[(x-3)(x+3)]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "least common denominator: (x-3)(x+3)^2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Rewrite each fraction with the lcd as its denominator:<BR>\n" );
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document.write( "[(x+4)(x-3)]/lcd - (x+3)/lcd<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Combine the numerators over the lcd:<BR>\n" );
document.write( "[x^2+x-12-x-3]/lcd<BR>\n" );
document.write( "----<BR>\n" );
document.write( "= [x^2-15]/[(x-3)(x+3)^2]<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=============\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "A) x2-x-15 <BR>\n" );
document.write( "(x+3)^2(x-3 <BR>\n" );
document.write( "B) x2+x-15 <BR>\n" );
document.write( "(x+3)^2(x-3) <BR>\n" );
document.write( "C) x2-15 <BR>\n" );
document.write( "(x+3)^2(x-3) <BR>\n" );
document.write( "D) x2-15 <BR>\n" );
document.write( "(x-3)^2(x+3) \r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );