Find the Product $$( - 8 a - 9 b ) ( 9 a + 8 b )$$

Multiple Choice

Find the product.
- $$( - 8 a - 9 b ) ( 9 a + 8 b )$$

A) $- 72 a ^ { 2 } - 145 a b - 72 b ^ { 2 }$
B) $- 72 a ^ { 2 } + 145 a b - 72 b ^ { 2 }$
C) $- 72 a ^ { 2 } + 17 a b - 72 b ^ { 2 }$
D) $- 72 a ^ { 2 } - 72 b ^ { 2 }$