Two circles, each of radius 5 units, touch each other at (1, 2). If the equation of their common tangent is 4x + 3y - 10 = 0 then equation of one such circle is
A x² + y²6x + 2y15 = 0
B x²+y²10x10y + 25 = 0
C x²+ y² + 6x2y15 = 0
D x² + y²10x10y25 = 0