Answer:
Step-by-step explanation:
[tex] - 2n(5 + n - 8 - 3n) \\ n = 3 \\ - 2(3)(5 + 3 - 8 - 3(3)) \\ - 6(5 + 3 - 8 - 9)[/tex]
[tex] - 6(8 - 8 - 9) \\ - 6( - 9) \\ = 54[/tex]
