Respuesta :

jasoniandrucker

Answer:

The expanded form of this expression should be 7.5-10n-20.

Step-by-step explanation:

Note: I am not 100% on this answer, so if this is not the response you were looking for, do not hesitate to tell me. Hopefully this answer helps though :)

mandyb2003

Answer:

-2.5(-3+4n+8)

7.5-10n-20

-22.5-10n

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