document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=403004>Question 403004</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Graph the Circle<BR>\n" );
document.write( "x^2+y^2+4x-2y-20=0\r<BR>\n" );
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document.write( "I get:<BR>\n" );
document.write( "(x^2+4x)+(y^2-2y)=20<BR>\n" );
document.write( "(x^2+4x+4)+(y^2-2y+1)=20+16+4<BR>\n" );
document.write( "(x+2)^+(y-1)^2=(40/2)^2\r<BR>\n" );
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document.write( "But I don't think its right can you help me with what I did wrong? Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #285033 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=285033\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "You are right -- that is not right.  Why did you add 16 and 4 to the RHS when you only added 4 and 1 to the LHS?  There is no factor of 4 in front of either set of parentheses in the LHS.  Furthermore, if 40 <i>was</i> the correct value in the RHS, then the RHS would be properly expressed as <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \left(\sqrt{40}\right)^2\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left(x^2\ +\ 4x\ +\ 4\right)\ +\ \left(y^2\ -\ 2y\ +\ 1\right)\ =\ 20\ +\ 4\ +\ 1\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left(x\ +\ 2\right)^2\ +\ \left(y\ -\ 1\right)^2\ =\ (5)^2\">\r<BR>\n" );
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document.write( "Center at <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large (-2,1)\">, radius <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large 5\">\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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