document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=944460>Question 944460</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the roots of z^2+2z+10=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #575868 by </B><A HREF=/tutors/aboutme.mpl?userid=etutorworld><B>etutorworld(19)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=etutorworld><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=etutorworld><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=575868\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To find the roots of z^2+2z+10=0 we can use Quadratic Formula \r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"z+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "From the given equation we see that a =1, b = 2 and c =10\r<BR>\n" );
document.write( "\n" );
document.write( " z = (-2 + - sqrt(4-40))/ 2.1\r<BR>\n" );
document.write( "\n" );
document.write( "   = ( -2 + - sqrt(-36))/ 2<BR>\n" );
document.write( " <BR>\n" );
document.write( "   = ( -2 + - 6i )/2\r<BR>\n" );
document.write( "\n" );
document.write( "The given equation has Complex Roots which are \r<BR>\n" );
document.write( "\n" );
document.write( "   = ( -1 + 3i ), (-1 - 3i) [Answer] </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );