document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=324938>Question 324938</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation for x.<BR>\n" );
document.write( "log2(x) + log2(x - 1) = 1\r<BR>\n" );
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document.write( "I am coming up with x = {2, 1} but the application is telling me to \"Check the syntax of your response.\"\r<BR>\n" );
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document.write( "Please help.<BR>\n" );
document.write( "Alberto </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #232667 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=232667\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'll assume you meant log base 2:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2Cx%29+%2B+log%282%2C%28x+-+1%29%29+=+1 ALIGN=MIDDLE  ALT=\"log%282%2Cx%29+%2B+log%282%2C%28x+-+1%29%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=log%282%2Cx%28x+-+1%29%29+=+1 ALIGN=MIDDLE  ALT=\"log%282%2Cx%28x+-+1%29%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=x%28x+-+1%29+=+2%5E1 ALIGN=MIDDLE  ALT=\"x%28x+-+1%29+=+2%5E1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+x+=+2 ALIGN=MIDDLE  ALT=\"x%5E2+-+x+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+x+-+2+=+0 ALIGN=MIDDLE  ALT=\"x%5E2+-+x+-+2+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-2%29%28x%2B1%29+=+0 ALIGN=MIDDLE  ALT=\"%28x-2%29%28x%2B1%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = {-1, 2}<BR>\n" );
document.write( ".<BR>\n" );
document.write( "But wait, -1 is an extraneous solution toss it out.  Leaving you with:<BR>\n" );
document.write( "x = 2<BR>\n" );
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