document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=189189>Question 189189</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello.Can you help me with solving this rational expression?3^x - 2^x+1=4^x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #141923 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=141923\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3^x - 2^x+1=4^x<BR>\n" );
document.write( "x*log(3) - x*log(2) = x*log(4)<BR>\n" );
document.write( "x*(log(3/2) = x*log(4)<BR>\n" );
document.write( "Since log(3/2) does not = log(4), x must be zero.<BR>\n" );
document.write( "x = 0<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "1 - 1 + 1 = 1<BR>\n" );
document.write( "1=1, so 0 works. </SPAN>\n" );
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