Find the equation of the circle concentric with the centre x²+y²-4x-6y-9=0 and passing through the point (-4,-5) ?
A(x-4)²+ (y-6)² = 10²
B(x-2)²+ (y-3)² = 10²
C(x-2)x+ (y-3) = 10
D(x+2)²+ (y+3)² = 10²
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