Factor Completely $36 a^{3} b^{3}+45 a^{2} b^{2}-81 a b$ A) $a b(9 a b+9)(4 a b-9)$

Multiple Choice

Factor completely.
- $36 a^{3} b^{3}+45 a^{2} b^{2}-81 a b$

A) $a b(9 a b+9) (4 a b-9)$
B) $\left(9 a^{2} b^{2}-9\right) (4 a b+9)$
C) $(9 a b+9) \left(4 a^{2} b^{2}-9\right)$
D) $a b(9 a b-9) (4 a b+9)$