The radius of a cylinder is 3x - 2 cm. The height of the cylinder is x + 3 cm. What is the surface area of the cylinder? Use the formula A = 2πr^2 + 2πrh.
A. 2π (3x^2 + 10x - 8)
B. 2π (12x^2 + 7x - 2)
C. 2π (12x^2 - 2x + 13)
D. 2π (12x^2 - 5x - 2)
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