Question

Which of the following is a polynomial?

Ox2 + 2
01-1
7x7 - 2x-4 + 3
0 (x8–2)
(x-2+3)

Answer 1

I think it's 7x7 - 2x-4 + 3

Answer 2

x^2 + 2

Explanation:

can't have negative powers