Question

What is the value of the expression when n = 3?
- 2n(5 + n-8-3n)

Answer 1

• Answer:

54

• Explanation:

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

replace n = 3

- 2(3)(5 + 3 - 8 - 3×3)

= - 6(8 - 8 - 9)

= - 6(0 - 9)

= - 6 × - 9

= 54

(-)(-) = +