document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=304913>Question 304913</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the exact value of x for which:<BR>\n" );
document.write( "4^x * 5^(4x+3) = 10^(2x+3)\r<BR>\n" );
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document.write( "I am aware that this question involves the change base rule, but i really need some guidance on where to start. Your help would be much appreciated! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #218356 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=218356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> not change base, just exponents...\r<BR>\n" );
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document.write( "2^(2x) * 5^(4x) * 5^3 = 5^(2x) * 5^3 * 2^(2x) * 2^3\r<BR>\n" );
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document.write( "5^(2x) = 2^3\r<BR>\n" );
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document.write( "2x = [log(5)] / [log(8)] </SPAN>\n" );
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