Factor completely 2c^5 + 44c^4 + 242c^3.
a. 2c^3(c^2 + 11c + 121)
b. 2c^3(c^2 + 22c + 121)
c. 2c^3(c^2 + 44c + 121)
d. 2c^3(c^2 + 33c + 121)