What is the factorization of the polynomial below?3x2 + 36x + 81 A. (x + 3)(3x + 9) B. (x + 2)(x + 27) C. (3x + 3)(x + 9) D. 3(x + 3)(x + 9)

has to be D

Explanation:
3x²+36x+81
3(x²+12x+27)
3(x²+3x+9x+27)
3{x(x+3)+9(x+3)}
3(x+3)(x+9)