Question

I don’t know this answer help

Answer 1

`2n - 2`

Explanation:

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

`3n - 2 - n`

Combine like terms:

`3n - n - 2 \\ 2n - 2`

Answer 2

2n - 2

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