document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149379>Question 149379</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The equation of Circle P is X squared + Y squared - 6x + 4y= 21, and the equation of circle Q is X squared + y squared - 8x + 10y = 11. How do I find the difference between the centers of these circles? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109589 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=109589\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for a circle of the form x^2+ax+y^2+by+c=d; the coordinates of the center are [(-a/2),(-b/2)]\r<BR>\n" );
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document.write( "circle P is centered at (3,-2) and circle Q is centered at (4,-5)\r<BR>\n" );
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document.write( "if by difference, you mean distance; then d=sqrt[(4-3)^2+(-5-(-2))^2] __ d=sqrt(10) </SPAN>\n" );
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