document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=42258>Question 42258</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve log(4) (m-3) + log(4) (m+3)=2.\r<BR>\n" );
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document.write( "thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #27394 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=27394\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From<BR>\n" );
document.write( "log(4) (m-3) + log(4) (m+3)=2<BR>\n" );
document.write( "we combine the left side and then exponentiate to the power four and get<BR>\n" );
document.write( "log(4) [(m-3)(m+3)] = 2<BR>\n" );
document.write( "(m-3)(m+3) = 16<BR>\n" );
document.write( "m^2 - 9 = 16<BR>\n" );
document.write( "m^2 = 25<BR>\n" );
document.write( "m = ±5<BR>\n" );
document.write( "but -5 is not allowed, so<BR>\n" );
document.write( "m = 5 </SPAN>\n" );
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