Question

Which expression is equivalent to (2 + 3) + 5 ?

2 + (3 + 5)

2(3 + 5)

2 + 15

6 + 5

Answer 1

First one

Explanation:

By associative property,

(a+b)+c=a+(b+c)

Answer 2

The answer is 2 + (3 + 5)