document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=443702>Question 443702</A>: <I><SPAN STYLE=\"word-break: break-all;\"> log base 2 (x+3)+ log base 2 (x-1)=5 (solve, list answers as integers or simplified fractions)<BR>\n" );
document.write( "x=? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305973 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=305973\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> log base 2 (x+3)+ log base 2 (x-1)=5<BR>\n" );
document.write( "log base 2 (x+3)(x-1)=5<BR>\n" );
document.write( "(x+3)(x-1)=2^5<BR>\n" );
document.write( "x^2+2x-3 =32<BR>\n" );
document.write( "x^2+2x-35 = 0<BR>\n" );
document.write( "(x+7)(x-5) = 0<BR>\n" );
document.write( "x = {-7,5}<BR>\n" );
document.write( "The negative answer is \"extraneous\" -- toss it out leaving:<BR>\n" );
document.write( "x = 5\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );