document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=909201>Question 909201</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to solve this Polynomial Equation in the complex plane.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Z%5E4%2B2z%5E3%2B20z%2B12=0 ALIGN=MIDDLE  ALT=\"Z%5E4%2B2z%5E3%2B20z%2B12=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Ty for your time! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #551767 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=551767\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Be consistent with the variables. Z is not the same as z<BR>\n" );
document.write( "z^4+2z^3+0*z^2+20z+12=0<BR>\n" );
document.write( "It has no integer zeros<BR>\n" );
document.write( "(z^2-2z+6) (z^2+4z+2) = 0<BR>\n" );
document.write( "It has two real z = sqrt(2)-2, z = -sqrt(2)-2 and<BR>\n" );
document.write( " two complex solutions z = 1+i sqrt(5),  z = 1-i sqrt(5)<BR>\n" );
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