document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=172047>Question 172047</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, \r<BR>\n" );
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document.write( "I am having a problem solving: \r<BR>\n" );
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document.write( "log(z^2-25)-log(z+5)=log7 \r<BR>\n" );
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document.write( "The farthest I got was to re-write the problem to: log(z^2-25)(z+5)=7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #127081 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=127081\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Close, but no cigar this time.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%28%28z%5E2-25%29%29-log%28%28z%2B5%29%29=log%28%287%29%29 ALIGN=MIDDLE  ALT=\"log%28%28z%5E2-25%29%29-log%28%28z%2B5%29%29=log%28%287%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Remember the rules:\r<BR>\n" );
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document.write( "The sum of the logs is the log of the PRODUCT.\r<BR>\n" );
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document.write( "The difference of the logs is the log of the QUOTIENT.\r<BR>\n" );
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document.write( "So you should have written:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%28%28%28z%5E2-25%29%2F%28z%2B5%29%29%29=log%28%287%29%29 ALIGN=MIDDLE  ALT=\"log%28%28%28z%5E2-25%29%2F%28z%2B5%29%29%29=log%28%287%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "From here you should be able to recognize that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5E2-25=%28z%2B5%29%28z-5%29 ALIGN=MIDDLE  ALT=\"z%5E2-25=%28z%2B5%29%28z-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%28%28%28z%5E2-25%29%2F%28z%2B5%29%29%29=+log%28%28z-5%29%29+=+log%28%287%29%29 ALIGN=MIDDLE  ALT=\"log%28%28%28z%5E2-25%29%2F%28z%2B5%29%29%29=+log%28%28z-5%29%29+=+log%28%287%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Furthermore, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%28b%2C%28a%29%29=log%28b%2C%28c%29%29 ALIGN=MIDDLE  ALT=\"log%28b%2C%28a%29%29=log%28b%2C%28c%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > if and only if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=c ALIGN=MIDDLE  ALT=\"a=c\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z-5=7 ALIGN=MIDDLE  ALT=\"z-5=7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=12 ALIGN=MIDDLE  ALT=\"z=12\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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