Question

Ill give 20 points plz help and explain

Answer 1

The correct answer is a)
`a^(2)`
`+1`

Because if you would just put everything in a equation, it would look like this:
`a^(2) + a + 1 + 1 -a -1`

and if you would just add that together you would recieve
`a^(2)`
`+1`.