Factor the Difference of Squares
- $$x ^ { 2 } - 9$$

Factor the Difference of Squares
- $$x ^ { 2 } - 9$$

A) $( x + 3 ) ( x - 3 )$
B) $( x + 3 ) ^ { 2 }$
C) $( x - 3 ) ^ { 2 }$
D) prime