Find the Sum or Difference $( 6 r - 5 ) ( 6 r + 5 )$

Multiple Choice

Find the sum or difference.
- $( 6 r - 5 ) ( 6 r + 5 )$

A) $36 r ^ { 2 } - 25$
B) $36 + 60 r - 25 r ^ { 2 }$
C) $36 r ^ { 2 } - 60 r - 25$
D) $6 r ^ { 2 } - 25$