Simplify the expression: 2(3+x)(3) - (3+x)(2) + 2.

a) ( 6x³ + 36x² + 78x + 56 )
b) ( 6x³ + 36x² + 78x + 52 )
c) ( 6x³ + 36x² + 74x + 52 )
d) ( 6x³ + 32x² + 74x + 52 )