Multiply, and Then Simplify If Possible $( 8 \sqrt { 3 } - 3 ) ^ { 2 }$

Multiple Choice

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
- $( 8 \sqrt { 3 } - 3 ) ^ { 2 }$

A) $183 - 48 \sqrt { 3 }$
B) $189 - 48 \sqrt { 3 }$
C) $201 + 48 \sqrt { 3 }$
D) $201 - 48 \sqrt { 3 }$