document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=600872>Question 600872</A>: <I><SPAN STYLE=\"word-break: break-all;\"> complete the square, and find the roots of the quadratic equation.\r<BR>\n" );
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document.write( "x2 + 6x -16= 0<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #379521 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=379521\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 + 6x -16= 0<BR>\n" );
document.write( "x^2 + 6x = 16<BR>\n" );
document.write( "take half 'b', square it and add to both sides:<BR>\n" );
document.write( "x^2 + 6x + 9 = 16 + 9<BR>\n" );
document.write( "(x+3)(x+3) = 25<BR>\n" );
document.write( "(x+3)^2 = 25<BR>\n" );
document.write( "x+3 = +-5<BR>\n" );
document.write( "x = -3+-5<BR>\n" );
document.write( "x = {-8, 2}<BR>\n" );
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