document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=454385>Question 454385</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation & check your answer(s):\r<BR>\n" );
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document.write( "ln(2-2x)=ln(x+5)+ln(x+4) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311981 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=311981\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ln(2-2x)=ln(x+5)+ln(x+4)<BR>\n" );
document.write( "ln(2-2x)=ln(x+5)(x+4)<BR>\n" );
document.write( "(2-2x)=(x+5)(x+4)<BR>\n" );
document.write( "2-2x= x^2 +9x + 20<BR>\n" );
document.write( "2 = x^2 + 11x + 20<BR>\n" );
document.write( "0 = x^2 + 11x + 18<BR>\n" );
document.write( "0 = (x+9)(x+2)<BR>\n" );
document.write( "x = {-9,-2}<BR>\n" );
document.write( "Testing each of the solution above, we see that -9 is an \"extraneous solution\" and must be thrown out leaving:<BR>\n" );
document.write( "x = -2\r<BR>\n" );
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document.write( " </SPAN>\n" );
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