document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=143910>Question 143910</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tutors please help me: THANK YOU\r<BR>\n" );
document.write( "\n" );
document.write( "solve the exponential equation 3^x2+^4x=1/27\r<BR>\n" );
document.write( "\n" );
document.write( "and\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "28^x=10^-3x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #104727 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=104727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve the exponential equation 3^(x^2+4x) = 1/27 <BR>\n" );
document.write( "3^(x^2+4x) = 3^-3<BR>\n" );
document.write( "x^2+4x=-3<BR>\n" );
document.write( "x^2+4x+3=0<BR>\n" );
document.write( "(x+3)(x+1) = 0<BR>\n" );
document.write( "x = -3 or x=-1<BR>\n" );
document.write( "Checking those possible answers:<BR>\n" );
document.write( "x= -3 check out<BR>\n" );
document.write( "x= -1 does not<BR>\n" );
document.write( "------------------------ \r<BR>\n" );
document.write( "\n" );
document.write( "28^x=10^-3x<BR>\n" );
document.write( "xlog28 = -3x<BR>\n" );
document.write( "3x+xlog28 = 0<BR>\n" );
document.write( "x(3+log28) = 0<BR>\n" );
document.write( "x = 0<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );