document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=92781>Question 92781</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by completing the square:\r<BR>\n" );
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document.write( "x^4-5x^2-36=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #67519 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=67519\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X^4-5X^2-36=0<BR>\n" );
document.write( "X^4-5X^2+6.25=36+6.25<BR>\n" );
document.write( "(X^2-2.5)(X^2-2.5)=42.25<BR>\n" );
document.write( "(X^2-2.5)^2=42.25<BR>\n" );
document.write( "X^2-2.5=SQRT42.25<BR>\n" );
document.write( "X^2-2.5=6.5<BR>\n" );
document.write( "X^2-2.5-6.5=0<BR>\n" );
document.write( "(X^2-9)=0<BR>\n" );
document.write( "(X-3)(X+3)=0<BR>\n" );
document.write( "X-3=0<BR>\n" );
document.write( "X=3 ANSWER.<BR>\n" );
document.write( "X+3=0<BR>\n" );
document.write( "X=-3 ANSWER.<BR>\n" );
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