document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=135565>Question 135565</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all the Zeros of the function and write the polynomial as a product of linear factors.\r<BR>\n" );
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document.write( "f(x)= x^4 + 13x^2 + 36 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99328 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=99328\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^4 + 13x^2 + 36=0<BR>\n" );
document.write( "(x^2+9)(x^2+4)=0<BR>\n" );
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document.write( "x^2=-9<BR>\n" );
document.write( "x=+-sqrt(-9)<BR>\n" );
document.write( "=3i<BR>\n" );
document.write( "=-3i<BR>\n" );
document.write( ".<BR>\n" );
document.write( "x^2=-4<BR>\n" );
document.write( "x=+-sqrt(-4)<BR>\n" );
document.write( "=2i<BR>\n" );
document.write( "=-2i<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );