document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=691275>Question 691275</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation and put the solution in exact form. \r<BR>\n" );
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document.write( "log(base 9)(x-4)+ log(base 9)(x-4)=1\r<BR>\n" );
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document.write( "This is what I have done.....<BR>\n" );
document.write( "log(base 9) (x-4)(x-4)=1<BR>\n" );
document.write( "(x-4)(x-4)=9<BR>\n" );
document.write( "x^2- 4x -4x+16<BR>\n" );
document.write( "x^2-8x+16=9<BR>\n" );
document.write( "x^2-8x+7=0<BR>\n" );
document.write( "(x-7)(x-1)<BR>\n" );
document.write( "X=7, X=1\r<BR>\n" );
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document.write( "Answer (7,1)??? how would I put in exact form???? Is this even correct? Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426622 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=426622\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your answers look right. Now you have to plug them<BR>\n" );
document.write( "back into the original equation to verify them<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+7+ ALIGN=MIDDLE  ALT=\"+x+=+7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I'll rewrite it slightly<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2Alog%28+9%2C+x-4+%29+=+1+ ALIGN=MIDDLE  ALT=\"+2%2Alog%28+9%2C+x-4+%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2Alog%28+9%2C+7-4+%29+=+1+ ALIGN=MIDDLE  ALT=\"+2%2Alog%28+9%2C+7-4+%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2Alog%28+9%2C+3+%29+=+1+ ALIGN=MIDDLE  ALT=\"+2%2Alog%28+9%2C+3+%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Note that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+log%28+9%2C3+%29+=+1%2F2+ ALIGN=MIDDLE  ALT=\"+log%28+9%2C3+%29+=+1%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2A%281%2F2%29+=+1+ ALIGN=MIDDLE  ALT=\"+2%2A%281%2F2%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( "------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+1+ ALIGN=MIDDLE  ALT=\"+x+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Here you run into trouble. You get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2Alog%28+9%2C+x-4+%29+=+1+ ALIGN=MIDDLE  ALT=\"+2%2Alog%28+9%2C+x-4+%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2Alog%28+9%2C+1-4+%29+=+1+ ALIGN=MIDDLE  ALT=\"+2%2Alog%28+9%2C+1-4+%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2Alog%28+9%2C+-3+%29+=+1+ ALIGN=MIDDLE  ALT=\"+2%2Alog%28+9%2C+-3+%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "It asks you for the log to the base 9 which<BR>\n" );
document.write( "gives you a negative number. There is no real<BR>\n" );
document.write( "number that can do this, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+7+ ALIGN=MIDDLE  ALT=\"+x+=+7+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the only answer<BR>\n" );
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