Completely Factor the Polynomial or State That the Polynomial Is $$\mathrm { x } ^ { 2 } + 64$$

Multiple Choice

Completely factor the polynomial or state that the polynomial is prime.
- $$\mathrm { x } ^ { 2 } + 64$$

A) $( x - 8 ) ^ { 2 }$
B) $( x + 8 ) ^ { 2 }$
C) $( x + 8 ) ( x - 8 )$
D) prime