document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=980643>Question 980643</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \"solve the exponential equation: (3.51)^-2x/15=8<BR>\n" );
document.write( "i keep getting an undefined answer. thanks for the help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #601784 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=601784\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "(3.51)^-2x /15 = 8<BR>\n" );
document.write( "(3.51)^-2x = 8 x 15<BR>\n" );
document.write( "(3.51)^-2x = 120<BR>\n" );
document.write( "-2x log(3.51) = log(120)<BR>\n" );
document.write( "-2x = log(120)/log3.51)<BR>\n" );
document.write( "-2x = 3.8128<BR>\n" );
document.write( "x = 3.8128/-2<BR>\n" );
document.write( "x = -1.906<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "{(3.51) ^(-2 x -1.906)} /15 = 8<BR>\n" );
document.write( "119.87/15 = 8<BR>\n" );
document.write( "8 = 8<BR>\n" );
document.write( "Hope this helps:-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );