A

\[2n + 2(n^2 - 5n + 4)(n^2 - 5n + 6)\]

B

\[4n + 3(n^2 — 5n + 4)(n^2 - 5n + 6)\]

C

\[3n + 2(n^2 - 5n + 4)(n^2 - 5n + 6)\]

D

\[2n + 2(n^2 - 5n - 4)(n^2 - 5n - 6)\]

E

\[4n + 3(n^2 - 5n - 4)(n^2 - 5n - 6)\]