What is the completely factored form of f(x) = 6x3 – 13x2 – 4x + 15?

a. (x + 1)(6x2 – 19x + 15)

b. (x + 1)2(2x – 3)

c. (x + 1)(3x – 2)(5x – 3)

d. (x + 1)(2x – 3)(3x – 5)

What is the completely factored form of f(x) = 6x3 – 13x2 – 4x + 15?

a. (x + 1)(6x2 – 19x + 15)

b. (x + 1)2(2x – 3)

c. (x + 1)(3x – 2)(5x – 3)

d. (x + 1)(2x – 3)(3x – 5)