Find the Product $$( a - 7 ) ( a + 7 )$$

Multiple Choice

Find the product.
- $$( a - 7 ) ( a + 7 )$$

A) $a ^ { 2 } - 14 a - 49$
B) $a ^ { 2 } + 14 a - 49$
C) $a ^ { 2 } - 14$
D) $a ^ { 2 } - 49$