document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1025366>Question 1025366</A>: <I><SPAN STYLE=\"word-break: break-all;\"> f(x) = x^2 + 4x - 12 Solve by completing the square. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #640644 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=640644\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  f(x) = x^2 + 4x - 12 Solve by completing the square. <BR>\n" );
document.write( ":<BR>\n" );
document.write( "x^2 + 4x + __ = 12 <BR>\n" );
document.write( "Complete the square, divide the coefficient of x by 2 and square it (4/2)^2<BR>\n" );
document.write( "add to both sides<BR>\n" );
document.write( "x^2 + 4x + 4 = 12 + 4<BR>\n" );
document.write( "x^2 + 4x + 4 = 16<BR>\n" );
document.write( "A perfect square which is:<BR>\n" );
document.write( "(x+2)^2 = 16<BR>\n" );
document.write( "Find the square root of both side<BR>\n" );
document.write( "x + 2 = +/-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2816%29 ALIGN=MIDDLE  ALT=\"sqrt%2816%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x + 2 = +/- 4<BR>\n" );
document.write( "Subtract 2 from both sides, two solutions<BR>\n" );
document.write( "x = -2 + 4<BR>\n" );
document.write( "x = 2<BR>\n" );
document.write( "and <BR>\n" );
document.write( "x = -2 - 4<BR>\n" );
document.write( "x = -6 </SPAN>\n" );
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