Question

simplify 9-x^-2/3+x^-1

Answer 1

- x^(-2) is the same as (3 - (x^-1))*(3 + (x^-1))

So you can replace (9 - (x^-2)) in your problem to get:
[(3 - (x^-1))*(3 + (x^-1))] / (3 + (x^-1)).

3 + (x^-1) cancels, and you are left with just 3 - (x^-1)

Answer 2

lol sorry forgot the 9 and the begining

Answer 3

@ksaimouli

Answer 4

could u draw

Answer 5

iam on my phone i cant sorry

Answer 6

ohk