bryansouza1984 bryansouza1984
  • 03-06-2021
  • Mathematics
contestada

I don’t know this answer help

I dont know this answer help class=

Respuesta :

clarch19
clarch19 clarch19
  • 05-06-2021

Answer:

2n - 2

Step-by-step explanation:

rewrite without parentheses, pretend there is a 1 between the minus sign and the open parentheses that has to be distributed:

3n - 1(2 + n)

3n - (1)(2) + (-1)(n)

3n - 2 - n

combine 3n and -n to get 2n

2n - 2

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DarlinEsteves
DarlinEsteves DarlinEsteves
  • 05-06-2021

Answer:

[tex]2n - 2[/tex]

Step-by-step explanation:

When there is a - in front of an expression in parentheses, change the sign of each term in the expression:

[tex]3n - 2 - n[/tex]

Combine like terms:

[tex]3n - n - 2 \\ 2n - 2[/tex]

Answer Link

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