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I don’t know this answer help

I don’t know this answer help-example-1
User Acorncom
by
7.4k points

2 Answers

2 votes

Answer:


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

User Darkstar
by
8.2k points
1 vote

Answer:

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

User Dmuir
by
7.9k points

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