document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=283259>Question 283259</A>: <I><SPAN STYLE=\"word-break: break-all;\">  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #205650 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=205650\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2+2x+y^2-4y-4=0\r<BR>\n" );
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document.write( "x^2+2x+y^2-4y=4<BR>\n" );
document.write( "we are going to complete the square once for x and once for y. That will give us the center and the radius<BR>\n" );
document.write( "we want to complete the square for x^2+2x<BR>\n" );
document.write( "take 2/2and square it 1^2=1<BR>\n" );
document.write( "add 1 to both sides<BR>\n" );
document.write( "next we want to complete the square for y^2-4y<BR>\n" );
document.write( "take 4/2and square it 2^2=4<BR>\n" );
document.write( "add four to both sides<BR>\n" );
document.write( "so we have added 5 to both sides<BR>\n" );
document.write( "x^2+2x+1+y^2-4y+4=9<BR>\n" );
document.write( "(x+1)^2+(y-2)^2=9<BR>\n" );
document.write( "the center is (-1,2) and the radius is 3 (sqrt(9) </SPAN>\n" );
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