Question 675261
(2n+4) - (n-2)
Distribute the negative across the parentheses
2n + 4 -(n) - (-2)
...
which is the same as
2n + 4 - n + 2
...
Group like terms
2n - n + 4 + 2
n + 6
.....................
Delighted to help.
-Reading Boosters
Website: www.MyHomeworkAnswers.com
Wanting for others what we want for ourselves.