Find the Indicated Term for the Sequence $6 ^ { \text {th } }$

Find the indicated term for the sequence.
-Find the $6 ^ { \text {th } }$ term of the sequence whose general term is $a _ { n } = ( 5 n - 6 ) ( 2 n + 1 )$ .

A) 126
B) 312
C) 435
D) 209