What is the general equation of the circle (x - 6)² + (y-6)² = 49?
A. x² + y²- 12x - 12y + 23 = 0
B. x²+y²-12x+12y+23=0
C. x² + y² + 12x - 12y +23=0
D. x²+y²-12x-12y-23=0​