document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=247086>Question 247086</A>: <I><SPAN STYLE=\"word-break: break-all;\"> log8(x)+log8(x+2)=1\r<BR>\n" );
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document.write( "show that the function f(x)=2x+3 is one to one, by using f(a)=f(b)implies that a=b </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180314 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=180314\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> log8(x)+log8(x+2)=1<BR>\n" );
document.write( "8^(log[8](x)) * 8^log[8](x+2)=8^1<BR>\n" );
document.write( "x(x+2)=8<BR>\n" );
document.write( "x^2+2x-8=0<BR>\n" );
document.write( "(x+4)(x-2)=0<BR>\n" );
document.write( "x=2 Why isn't x=-4 an answer also?<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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