Answer:
Step-by-step explanation:
See below
x^3 - x^2 / x^3 =
x^3 - x^(2-3) =
x^3 - x^-1
x^3 - 1/x now we know x^3 = x^4 / x
(x^4 - 1)/x
a c
1st one, x=-1
2nd on, y=2
the answer is: -178/x+10
Therefore, 32/243 is the answer.