Factor the Polynomial Using the Negative of the Greatest Common $$- 14 a ^ { 3 } b ^ { 2 } - 21 a b$$

Multiple Choice

Factor the polynomial using the negative of the greatest common factor.
- $$- 14 a ^ { 3 } b ^ { 2 } - 21 a b$$

A) $- 7 a b \left( 2 a ^ { 2 } b + 3 \right)$
B) $- 7 a \left( 2 a ^ { 2 } b ^ { 2 } + 3 b \right)$
C) $7 a b \left( - 2 a ^ { 2 } b - 3 \right)$
D) $- 7 a b \left( 2 a ^ { 2 } b - 3 \right)$