document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=744486>Question 744486</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. Solve the following equations<BR>\n" );
document.write( "a) log(base 2) x+1 + log(base 2) x-1 = 3<BR>\n" );
document.write( "b) log(base 2) x^2-1 =3<BR>\n" );
document.write( "c) explain why the equations log(base 2) x+1 + log(base 2) x-1 = 3 and log(base 2) x^2-1 =3 are not equal.\r<BR>\n" );
document.write( "\n" );
document.write( "Can you please help me out? Thanks so much in advance:)<BR>\n" );
document.write( "Can you please show all the steps it would really help me understand:) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #453356 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=453356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Solve the following equations<BR>\n" );
document.write( "a) log(base 2) x+1 + log(base 2) x-1 = 3<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2C%28x%2B1%29%29%2Blog%282%2C%28x-1%29%29=3 ALIGN=MIDDLE  ALT=\"log%282%2C%28x%2B1%29%29%2Blog%282%2C%28x-1%29%29=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2C%28x%2B1%29%28x-1%29%29=3 ALIGN=MIDDLE  ALT=\"log%282%2C%28x%2B1%29%28x-1%29%29=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2C%28x%2B1%29%28x-1%29%29=log%282%288%29%29 ALIGN=MIDDLE  ALT=\"log%282%2C%28x%2B1%29%28x-1%29%29=log%282%288%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(x+1)(x-1)=8<BR>\n" );
document.write( "x^2-1=8<BR>\n" );
document.write( "x^2=9<BR>\n" );
document.write( "x=±3<BR>\n" );
document.write( "..<BR>\n" );
document.write( "b) log(base 2) x^2-1 =3 <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2C%28x%5E2-1%29%29+=3 ALIGN=MIDDLE  ALT=\"log%282%2C%28x%5E2-1%29%29+=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2C%28x%5E2-1%29%29+=log%282%288%29%29 ALIGN=MIDDLE  ALT=\"log%282%2C%28x%5E2-1%29%29+=log%282%288%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x^2-1=8<BR>\n" );
document.write( "x^2=9<BR>\n" );
document.write( "x=±3<BR>\n" );
document.write( "..<BR>\n" );
document.write( "c) explain why the equations log(base 2) x+1 + log(base 2) x-1 = 3 and log(base 2) x^2-1 =3 are not equal. <BR>\n" );
document.write( "The equations of a) and b) are equal as shown above. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );