document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=186299>Question 186299</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm not sure which section this would go under...see, I'm in algebra 3. On my review a question says to write the function <BR>\n" );
document.write( "f(x)=x^2 + 18x + 77  <BR>\n" );
document.write( "in standard form. The answer given is f(x)=(x+9)^2 -4.<BR>\n" );
document.write( "I understand the (x+9)^2 part, but for some reason I am stumped about the -4. If someone could please help I'd appreciate it greatly. Thanks so much! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139645 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=139645\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=x^2 + 18x + 77 <BR>\n" );
document.write( "---------<BR>\n" );
document.write( "Complete the square on the x-terms:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "y = x^2 + 18x + (18/2)^2 + 77 - (18/2)^2\r<BR>\n" );
document.write( "\n" );
document.write( "y = (x+9)^2 + 77 - 81\r<BR>\n" );
document.write( "\n" );
document.write( "y = (x+9)^2 -4<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );