document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=942900>Question 942900</A>: <I><SPAN STYLE=\"word-break: break-all;\"> log2(x^2-1)=3 How do you solve this?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #574841 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=574841\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> log2(x^2-1)=3 How do you solve this?<BR>\n" );
document.write( "convert to exponential form: base(2) raised to log of number(3)=number(x^2-1)<BR>\n" );
document.write( "2^3=x^2-1<BR>\n" );
document.write( "x^2=9<BR>\n" );
document.write( "x=±&#8730;9=±3 </SPAN>\n" );
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