Find the Sum or Difference $$( - 9 a + 5 b ) ( - 8 a + 3 b )$$

Multiple Choice

Find the sum or difference.
- $$( - 9 a + 5 b ) ( - 8 a + 3 b )$$

A) $72 a ^ { 2 } + 67 a b + 15 b ^ { 2 }$
B) $72 a ^ { 2 } - 67 a b + 15 b ^ { 2 }$
C) $72 a ^ { 2 } + 15 b ^ { 2 }$
D) $72 a ^ { 2 } + 13 a b + 15 b ^ { 2 }$