document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=836855>Question 836855</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find all zeros of the following polynimal. Write the polynimal in factored form.\r<BR>\n" );
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document.write( "f(x)=x^4+3x^2-40 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #504399 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=504399\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0 =x^4+3x^2-40<BR>\n" );
document.write( "0 = (x^2 + 8)(x^2 - 5)<BR>\n" );
document.write( "So x^2 + 8 = 0 or x^2 - 5 = 0<BR>\n" );
document.write( "Take x^2 + 8 = 0 <BR>\n" );
document.write( "x^2 = -8<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28-8%29 ALIGN=MIDDLE  ALT=\"sqrt%28-8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2sqrt%282%29i ALIGN=MIDDLE  ALT=\"-2sqrt%282%29i\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2sqrt%282%29i ALIGN=MIDDLE  ALT=\"2sqrt%282%29i\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For x^2 - 5 = 0<BR>\n" );
document.write( "x^2 = 5<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-sqrt%285%29 ALIGN=MIDDLE  ALT=\"-sqrt%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%285%29 ALIGN=MIDDLE  ALT=\"sqrt%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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