Factor Completely $6 c ^ { 2 } - 12 c + 6$

Multiple Choice

Factor completely. Check by multiplying the factors. $6 c ^ { 2 } - 12 c + 6$

A) $( 6 c - 6 ) ( c - 1 )$
B) $6 ( c + 1 ) ( c + 1 )$
C) $6 ( c - 1 ) ( c + 1 )$
D) $( 6 c + 6 ) ( c + 1 )$
E) $6 ( c - 1 ) ( c - 1 )$