document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=454900>Question 454900</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for x:\r<BR>\n" );
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document.write( "log base 4 of(x^2+3x) - log base 4 of(x+5)=1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #312309 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=312309\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> log base 4 of(x^2+3x) - log base 4 of(x+5) = 1<BR>\n" );
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document.write( "log4[(x^2+3x)/(x+5)] = 1<BR>\n" );
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document.write( "(x^2+3x)/(x+5) = 4<BR>\n" );
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document.write( "x^2+3x = 4x+20<BR>\n" );
document.write( "x^2-x-20 = 0<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(x-5)(x+4) = 0<BR>\n" );
document.write( "x = 5 or x = -4<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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