document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147730>Question 147730</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.<BR>\n" );
document.write( "x^2-4x\r<BR>\n" );
document.write( "\n" );
document.write( "a)16;x^2-4x+16=(x-4)^2<BR>\n" );
document.write( "b)-4;x^2-4x-4=(x-2)^2<BR>\n" );
document.write( "c)-16;x^2-4x-16=(x-4)^2<BR>\n" );
document.write( "d)4;x^2-4x+4=(x-2)^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #108173 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=108173\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2-4x<BR>\n" );
document.write( "divide the 2nd term by 2 and square the result.<BR>\n" );
document.write( "-4/2=-2<BR>\n" );
document.write( "-2^2=4<BR>\n" );
document.write( "x^2-4x+4 Ans.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );