document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=237827>Question 237827</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi i am having  a little trouble with this one Lnx+Ln(x+12)=1.  I kind of remember that due to the fact that it is an addition problem you use multiplication but i dont remember how!<BR>\n" );
document.write( "Paul </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #174842 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=174842\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Lnx+Ln(x+12)=1.<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "ln(x(x+12)) = 1<BR>\n" );
document.write( "x(x+12) = e^1<BR>\n" );
document.write( "x^2 + 12x - e = 0<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "x = [-12 +- sqrt(144 - 4*1*-e)]/2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = [-12 +- sqrt(154.87)]/2<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = [-12 +- 12.44)]/2<BR>\n" );
document.write( "----\r<BR>\n" );
document.write( "\n" );
document.write( "Only the positive solution satisfies the original equation:<BR>\n" );
document.write( "x = [-12 + 12.44]/2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 0.44/2 = 0.22<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );