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

Multiple Choice

Factor completely. If the polynomial cannot be factored, write "prime."
- $x^{2}-4$

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