Find the Sum or Difference $$( x - 8 ) ( x + 8 ) \left( x ^ { 2 } + 64 \right)$$

Multiple Choice

Find the sum or difference.
- $$( x - 8 ) ( x + 8 ) \left( x ^ { 2 } + 64 \right)$$

A) $x ^ { 4 } - 64$
B) $x ^ { 4 } - 16 x ^ { 2 } - 64$
C) $x ^ { 4 } - 4096$
D) $x ^ { 4 } - 256 x ^ { 2 } + 4096$