Question

Evaluate x1 -x-1 + x0 for x=2

Answer 1

(2)1-(2)-1+(2)0
2-2-1
-1

Answer 2

Answer is 2 1/2

x^1 - x^-1 + x^0

x = 2 (Plug the numbers in)

2^1 - 2^-1 + 2^0

x^1 = 2

x^-1 = 0.5

x^0 = 1

2 - 0.5 + 1

= 2 1/2

Hope this helps <3