document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=540612>Question 540612</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm having trouble understanding Logarithm problems.  \r<BR>\n" );
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document.write( "Please help me solve:\r<BR>\n" );
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document.write( "log3(x^2-5) = 2 + log3(x^2+8) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #353786 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=353786\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'm having trouble understanding Logarithm problems. <BR>\n" );
document.write( "Please help me solve: <BR>\n" );
document.write( "log3(x^2-5) = 2 + log3(x^2+8)<BR>\n" );
document.write( "log3(x^2-5) - log3(x^2+8)=2<BR>\n" );
document.write( "place under single log<BR>\n" );
document.write( "log3[(x^2-5)/(x^2+8)]=2<BR>\n" );
document.write( "convert to exponential form: base(3) raised to log of number(2)=number[(x^2-5)/(x^2+8)]<BR>\n" );
document.write( "3^2=(x^2-5)/(x^2+8)=9<BR>\n" );
document.write( "9x^2+72=x^2-5<BR>\n" );
document.write( "8x^2=-77<BR>\n" );
document.write( "x^2=-77/8<BR>\n" );
document.write( "x=±&#8730;(-77/8)<BR>\n" );
document.write( "no real solution </SPAN>\n" );
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