document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=685002>Question 685002</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3^(9x-9)=5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #424588 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=424588\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write the expression as a single logarithm. Express powers as factors.<BR>\n" );
document.write( "In(x/x-7)+In(x+7/x)-In(x^2-49)<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "ln[(x/(x-7)*(x+7)/x)/(x^2-49)]<BR>\n" );
document.write( "----<BR>\n" );
document.write( "= ln[((x+7)/(x-7)*((x^2-49)/1]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= ln(x+7)^2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= 2ln(x+7)<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );