document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=240207>Question 240207</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve this logarithmic equation & give the exact answer.\r<BR>\n" );
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document.write( "log(base)3 (x+6) + log(base)3 (x-6) - log(base)3 x =2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #176068 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=176068\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> log(base)3 (x+6) + log(base)3 (x-6) - log(base)3 x =2<BR>\n" );
document.write( "log(base)3 (x+6)(x-6) - log(base)3 x =2<BR>\n" );
document.write( "log(base)3 [(x+6)(x-6)]/x =2<BR>\n" );
document.write( "[(x+6)(x-6)]/x = 3^2<BR>\n" );
document.write( "[(x+6)(x-6)]/x = 9<BR>\n" );
document.write( "(x+6)(x-6) = 9x<BR>\n" );
document.write( "x^2 - 36 = 9x<BR>\n" );
document.write( "x^2 - 9x - 36 = 0<BR>\n" );
document.write( "(x-12)(x+3) = 0<BR>\n" );
document.write( "x = {-3, 12}<BR>\n" );
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document.write( "We can throw out the -3 -- it's an extraneous solution -- leaving us with:<BR>\n" );
document.write( "x = 12\r<BR>\n" );
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document.write( " </SPAN>\n" );
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