Use Synthetic Division to Divide $\left( 3 x ^ { 3 } - 23 x ^ { 2 } + 21 x - 49 \right) \div ( x - 7 )$

Multiple Choice

Use synthetic division to divide.​ $\left( 3 x ^ { 3 } - 23 x ^ { 2 } + 21 x - 49 \right) \div ( x - 7 )$ ​

A) $2 x ^ { 2 } - 3 x - 7 , x \neq 7$
B) $2 x ^ { 2 } - 3 x + 7 , x \neq 7$
C) $3 x ^ { 2 } - 2 x + 7 , x \neq 7$
D) $3 x ^ { 2 } - 2 x - 7 , x \neq 7$
E) $3 x ^ { 2 } + 2 x + 7 , x \neq 7$