document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=258511>Question 258511</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the quadratic function by completing the square.<BR>\n" );
document.write( "y=-x^2-7x-30 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #190306 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=190306\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=-x^2-7x-30<BR>\n" );
document.write( "-x^2-7x=30<BR>\n" );
document.write( "x^2+7x=-30<BR>\n" );
document.write( "x^2+7x+(49/4)=(49/4)-30<BR>\n" );
document.write( "x^2+7x+(49/4)=-71/4<BR>\n" );
document.write( "x+7/2=+-sqrt(-71)/2<BR>\n" );
document.write( "x=(-7+sqrt(71)i)/2, x=(-7-sqrt(71)i)/2<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );