josavage josavage

12-05-2020
Mathematics

contestada

What is the value of the expression when n=3

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

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

12-05-2020

Answer:

-42

Step-by-step explanation:

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

Combine like terms

-2n (13 -2n)

Let n =3

-2*3 (13 -2(3))

-6 (13 -6)

-6 (7)

-42

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