Factor Completely $3 x ^ { 4 } - 48$ A) $3 ( x - 2 ) ( x + 2 ) \left( x ^ { 2 } + 4 \right)$

Multiple Choice

Factor completely: $3 x ^ { 4 } - 48$

A) $3 ( x - 2 ) ( x + 2 ) \left( x ^ { 2 } + 4 \right)$
B) $3 ( x - 2 ) ( x + 2 ) ^ { 2 }$
C) $3 \left( x ^ { 2 } - 4 \right) \left( x ^ { 2 } + 4 \right)$
D) $3 \left( x ^ { 4 } - 16 \right)$