natkra26 natkra26
  • 13-01-2021
  • Mathematics
contestada

expand the expression ​-2.5(-3 + 4n + 8)

Respuesta :

rockjacob1121 rockjacob1121
  • 21-01-2021

Answer:

2.5+7.5+-10n+-20

Step-by-step explanation:

Multiply everything on the inside by the number on the outside and put it together with addition signs.

-2.5(-3+4n+8)

-2.5*-3=7.5

-2.5(7.5+4n+8)

-2.5*4= -10

-2.5(7.5+-10n+8)

-2.5*8=-20

-2.5+7.5+-10n+-20

Answer Link
jedimolly1
jedimolly1 jedimolly1
  • 31-01-2021

Answer: 7.5 + 200n

Step-by-step explanation:

(-2.5 • -3) + (-2.5 • 4n) + (-2.5 • 8)

7.5 + -10n + -20

7.5 + 200n

Answer Link

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