document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=79887>Question 79887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me: a^2+4a+21     please help me solve this </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #57315 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=57315\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A^2+4A+21 USING THE QUADRATIC EQUATUION WE GET:<BR>\n" );
document.write( "X=(-4+-SQRT[4^2-4*1*21])/2*1<BR>\n" );
document.write( "X=(-4+-SQRT[16-84])/2<BR>\n" );
document.write( "X=(-4+-SQRT-68)/2<BR>\n" );
document.write( "X=(-4+-8.246i)/2<BR>\n" );
document.write( "X=(-4+8.246i)/2<BR>\n" );
document.write( "X=-2+4.123i ANSWER.<BR>\n" );
document.write( "X=(-4-8.246)/2<BR>\n" );
document.write( "X=-2-4.123i ANSWER.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );