Factor Completely $15 a^{3}-18 a^{2} b+20 a b^{2}-24 b^{3}$ A) $\left(3 a^{2}+4 b\right)(5 a-6 b)$

Multiple Choice

Factor completely.
- $15 a^{3}-18 a^{2} b+20 a b^{2}-24 b^{3}$

A) $\left(3 a^{2}+4 b\right) (5 a-6 b)$
B) $\left(3 a^{2}+4 b^{2}\right) (5 a-6 b)$
C) $\left(3 a^{2}-4 b^{2}\right) (5 a+6 b)$
D) $\left(15 \mathrm{a}^{2}+4 \mathrm{~b}^{2}\right) (\mathrm{a}-6 \mathrm{~b})$