document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=990646>Question 990646</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equations of the two circles with centres on the x -axis and radius 4 which both touch the circle x^2 + y^2 - 2x - 6y + 9 =0 externally. Please help me sir </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610725 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=610725\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+y%5E2+-+2x+-+6y+%2B+9 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+y%5E2+-+2x+-+6y+%2B+9\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%5E2+-+1+%2B+%28y-3%29%5E2 ALIGN=MIDDLE  ALT=\"%28x-1%29%5E2+-+1+%2B+%28y-3%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. \r<BR>\n" );
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document.write( "So, your equation is \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%5E2+%2B+%28y-3%29%5E2 ALIGN=MIDDLE  ALT=\"%28x-1%29%5E2+%2B+%28y-3%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.\r<BR>\n" );
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document.write( "It is the equation of the circle of the radius 1 with the center at the point (x,y) = (1,3).\r<BR>\n" );
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document.write( "Is it clear to you?\r<BR>\n" );
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document.write( "Next. The centers of the two new circles should be at he distance of 1 + 4 = 5 units from this point. \r<BR>\n" );
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document.write( "Is it clear?\r<BR>\n" );
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document.write( "So, you need to find the centers of these two circles in x-axis, that are at the distance of 5 units from the point (1,3). \r<BR>\n" );
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document.write( "Now make a sketch and complete the solution of the problem yourself.\r<BR>\n" );
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document.write( "Good luck.\r<BR>\n" );
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