document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=962962>Question 962962</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Someone please help me with it. Evaluate Log base2 (30) - log base2 (12) - log base2 (20) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #588337 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=588337\">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=+log%28+2%2C30+%29+-+log%28+2%2C12+%29+-+log%28+2%2C20+%29+ ALIGN=MIDDLE  ALT=\"+log%28+2%2C30+%29+-+log%28+2%2C12+%29+-+log%28+2%2C20+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use the rule:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+log%28+a+%29+-+log%28+b+%29+=+log%28%28+a%2Fb+%29%29+ ALIGN=MIDDLE  ALT=\"+log%28+a+%29+-+log%28+b+%29+=+log%28%28+a%2Fb+%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+log%28+2%2C+%2830%2F12%29+%29+-+log%28+2%2C20+%29+ ALIGN=MIDDLE  ALT=\"+log%28+2%2C+%2830%2F12%29+%29+-+log%28+2%2C20+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+log%28+2%2C+%285%2F2%29+%29+-+log%28+2%2C20+%29+ ALIGN=MIDDLE  ALT=\"+log%28+2%2C+%285%2F2%29+%29+-+log%28+2%2C20+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+log%28+2%2C+%285%2F%282%2A20%29%29+%29+ ALIGN=MIDDLE  ALT=\"+log%28+2%2C+%285%2F%282%2A20%29%29+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+log%28+2%2C+%281%2F8%29+%29+ ALIGN=MIDDLE  ALT=\"+log%28+2%2C+%281%2F8%29+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now I will say:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+log%28+2%2C+%281%2F8+%29%29+ ALIGN=MIDDLE  ALT=\"+y+=+log%28+2%2C+%281%2F8+%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%5Ey+=+1%2F8+ ALIGN=MIDDLE  ALT=\"+2%5Ey+=+1%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%5Ey+=+2%5E%28-3%29+ ALIGN=MIDDLE  ALT=\"+2%5Ey+=+2%5E%28-3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+-3+ ALIGN=MIDDLE  ALT=\"+y+=+-3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now I can say:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+log%28+2%2C+%281%2F8+%29%29+=+-3+ ALIGN=MIDDLE  ALT=\"+log%28+2%2C+%281%2F8+%29%29+=+-3+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );