document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=249764>Question 249764</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%5E%282x%29-42%2A%286%5Ex%29%2B216=0 ALIGN=MIDDLE  ALT=\"6%5E%282x%29-42%2A%286%5Ex%29%2B216=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #181865 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=181865\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%5E%282x%29-42%2A%286%5Ex%29%2B216=0 ALIGN=MIDDLE  ALT=\"6%5E%282x%29-42%2A%286%5Ex%29%2B216=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This is a quadratic in 6^x<BR>\n" );
document.write( "Sub z for 6^x --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5E2+-+42z+%2B+216+=+0 ALIGN=MIDDLE  ALT=\"z%5E2+-+42z+%2B+216+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(z - 6)*(z - 36) = 0<BR>\n" );
document.write( "z = 6<BR>\n" );
document.write( "z = 36<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Sub back:<BR>\n" );
document.write( "6^x = 6<BR>\n" );
document.write( "x = 1<BR>\n" );
document.write( "------<BR>\n" );
document.write( "6^x = 36<BR>\n" );
document.write( "x = 2\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );