Question

Simplify the expression:
2(3n+4)-2(2n+5)

Answer 1

First, distribute;
2(3n + 4) - 2(2n + 5)
(6n + 8) - (4n - 10)
2n - 2

Answer 2

First use distributive property:
2(3n + 4) - 2(2n + 5)
6n + 8 - 4n - 10
Group like terms:
6n - 4n + 8 - 10
Add like terms:
2n - 2