document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=628409>Question 628409</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I need help with this logarithm:<BR>\n" );
document.write( "log base 2 of (x) + log base 2 of (x+2)=log base 2 of (x+6)\r<BR>\n" );
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document.write( "I have attempted this equation but I keep coming to the solution of x=(x+6)/(x+2) and I don't know how to solve for x.\r<BR>\n" );
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document.write( "Please and thank you :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #395607 by </B><A HREF=/tutors/aboutme.mpl?userid=John10><B>John10(297)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=John10><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=John10><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=395607\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> log base 2 of (x) + log base 2 of (x+2)=log base 2 of (x+6) \r<BR>\n" );
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document.write( "So we will have:\r<BR>\n" );
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document.write( "log base 2 of [x(x+2)] = log base 2 of (x + 6)<BR>\n" );
document.write( "x(x +2) = x + 6<BR>\n" );
document.write( "x^2 + 2x = x + 6<BR>\n" );
document.write( "x^2 + x - 6= 0<BR>\n" );
document.write( "(x +3)(x - 2) = 0<BR>\n" );
document.write( "x = -3 or x = 2<BR>\n" );
document.write( "We can NOT choose x = -3 because property of log x which x can not be negative.<BR>\n" );
document.write( "Thus the ONLY solution is x = 2.<BR>\n" );
document.write( "Hope it helps:)<BR>\n" );
document.write( "John10 </SPAN>\n" );
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