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
