document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=819092>Question 819092</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your help is needed to solve.  Thanks!\r<BR>\n" );
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document.write( "Solve logarithmic equation.   Express all solutions in exact form.  Support your solutions by using a calculator.\r<BR>\n" );
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document.write( "Log sub 5(x + 2) + log sub 5(x – 2) = 1\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #492937 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=492937\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Log sub 5(x + 2) + log sub 5(x – 2) = 1 <BR>\n" );
document.write( "Log sub 5(x + 2)(x – 2) = 1 <BR>\n" );
document.write( "(x + 2)(x – 2) = 5^1 <BR>\n" );
document.write( "(x + 2)(x – 2) = 5<BR>\n" );
document.write( "x^2-4 = 5<BR>\n" );
document.write( "x^2 = 9<BR>\n" );
document.write( "x = {-3, 3}<BR>\n" );
document.write( "but the -3 is an extraneous solution, throw it out leaving:<BR>\n" );
document.write( "x = 3 </SPAN>\n" );
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