kathrynaveda
20.09.2020 •
Mathematics
What is the value of the expression when n = 3?
- 2n(5 + n-8-3n)
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Ответ:
54
Step-by-step 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
(-)(-) = +
Ответ:
r=-2
Step-by-step explanation:
your welcome :D also if there's another answer could you give me brainliest pls