You can put this solution on YOUR website! The center of the circle must be either six points above (10,1) or six points below it...the radius is six so the two circles, having centers at (10,7) and (10, -5) are
(x - 10)^2 + (y - 7)^2 = 36 and
(x - 10)^2 + (y + 5)^2 = 36