document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1044028>Question 1044028</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I would like some help with this problem, please explain fully how you got the answer and what kind (if any) rules or theories followed.\r<BR>\n" );
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document.write( "What value completes the blank for the expression.      x^2-6x+_____\r<BR>\n" );
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document.write( "36, 12,  9,  3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #659250 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=659250\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> completes the square, and the answer is 9<BR>\n" );
document.write( "To complete the square (perfect square), one takes half of the x term (so long as the first term, the x^2 has a coefficient of 1) and squares it, which is (-3)^2=9.<BR>\n" );
document.write( "The factors of x^2-6x+9 are (x+3)^2, which is why it is called completing the square. </SPAN>\n" );
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