Find the Sum or Difference $$( 8 a + 11 c ) ( 8 a - 11 c )$$

Multiple Choice

Find the sum or difference.
- $$( 8 a + 11 c ) ( 8 a - 11 c )$$

A) $8 a ^ { 2 } - 11 c ^ { 2 }$
B) $64 a ^ { 2 } - 121 c ^ { 2 }$
C) $64 a ^ { 2 } - 176 a c - 121 c ^ { 2 }$
D) $64 a ^ { 2 } + 176 a c - 121 c ^ { 2 }$