document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1166397>Question 1166397</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Find the solution to the following quadratic equation using the method of completing the square\r<BR>\n" );
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document.write( "x²- 4x-12=0      </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #790902 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=790902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2-4x=12, start by moving the constant.<BR>\n" );
document.write( "take half of the b (bx), square it and add to both sides<BR>\n" );
document.write( "x^2-4x+4=12+4<BR>\n" );
document.write( "factor<BR>\n" );
document.write( "(x-2)^2=16<BR>\n" );
document.write( "take the square root of both sides<BR>\n" );
document.write( "x-2=+/-4<BR>\n" );
document.write( "move the constant<BR>\n" );
document.write( "x=2+/-4<BR>\n" );
document.write( "x=-2, 6<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-10%2C10%2C-10%2C10%2Cx%5E2-4x-12%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2Cx%5E2-4x-12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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