document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1052585>Question 1052585</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplified equation of x^2 y^2 - 2x + 4y = 12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #667915 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=667915\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I am editing this to read x^2+y^2-2x+4y=12\r<BR>\n" );
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document.write( "Rewrite as <BR>\n" );
document.write( "x^2-2x+....+ y^2+4y+...=12<BR>\n" );
document.write( "Now complete the square for each<BR>\n" );
document.write( "x^2-2x+1+Y^2+4y+4=12+1+4, adding the 1 and the 4 to both sides.<BR>\n" );
document.write( "(x-1)^2+(y+2)^2=17<BR>\n" );
document.write( "This is a circle centered on (1,-2) with radius sqrt(17)<BR>\n" );
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