document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77762>Question 77762</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534494498/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Solve equation<BR>\n" );
document.write( "x^2+2x+5=0<BR>\n" );
document.write( "value of k that completes the square<BR>\n" );
document.write( "x^2+10x+k<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #55748 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=55748\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve equation<BR>\n" );
document.write( "x^2+2x+5=0<BR>\n" );
document.write( "Use the quadratic formula to get:<BR>\n" );
document.write( "x=[-2+-sqrt(4-4*5)]/2<BR>\n" );
document.write( "x=[-2+-4i]/2<BR>\n" );
document.write( "x= -1+2i ; or x = -1-2i<BR>\n" );
document.write( "=======================<BR>\n" );
document.write( "value of k that completes the square<BR>\n" );
document.write( "x^2+10x+k<BR>\n" );
document.write( "x^2+10x+(10/2)^2<BR>\n" );
document.write( "=x^2+10x+25<BR>\n" );
document.write( "k=25<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );