document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=736466>Question 736466</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. x^4 + 3x^2 - 4 =0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #449867 by </B><A HREF=/tutors/aboutme.mpl?userid=sofiyac><B>sofiyac(983)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sofiyac><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=sofiyac><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=449867\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Make sure you include instructions with your problem on what it asks you to do so we don't have to guess. <BR>\n" );
document.write( "x^4 + 3x^2 - 4 =0<BR>\n" );
document.write( "(x^2 + 4)(x^2 - 1) =0<BR>\n" );
document.write( "(x^2 + 4)(x+1)(x-1) =0\r<BR>\n" );
document.write( "\n" );
document.write( "x^2 + 4=0 or x+1 =0 or x-1=0 <BR>\n" );
document.write( "x^2 = -4 or x+1 =0 or x-1=0 solve for x<BR>\n" );
document.write( "x=2i or x=-1 or x=1 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );