Divide as Indicated $$\frac { 21 x - 21 } { 11 } \div \frac { 7 x - 7 } { 66 }$$

Multiple Choice

Divide as indicated.
- $$\frac { 21 x - 21 } { 11 } \div \frac { 7 x - 7 } { 66 }$$

A) $\frac { 147 ( x - 1 ) ^ { 2 } } { 726 }$
B) 18
C) $\frac { 6 ( 21 x - 21 ) } { 7 x - 7 }$
D) $\frac { 1 } { 18 }$