Write an Expression for the Area and Simplify Your Answer $12 x ^ { 2 } + 51 x - 54$

Multiple Choice

Write an expression for the area and simplify your answer.
- [The figure is not necessarily drawn to scale.]

A) $12 x ^ { 2 } + 51 x - 54$
B) $12 x ^ { 2 } + 3 x - 54$
C) $12 x ^ { 2 } - 3 x - 54$
D) $12 x ^ { 2 } - 54$