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29 December, 16:46

What is the value of the expression when n = 3?

GO

- 2 n (5 + n-8-3n)

+2
Answers (1)
  1. 29 December, 18:08
    0
    54

    Step-by-step explanation:

    since n = 3

    = - 2n (5n+n-8-3n)

    = - 2 (3) (5 + (3) - 8-3 (3))

    = - 6 (5+3-8-9)

    = - 6 (5-5-9)

    = - 6 (-9)

    = 54.
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