Question

x=(-1/3)³+[3³-(3-¹]

Answer 1

x=(-1/3)^3+[3^3-(3^-1)]
x=(-1/27)+[27-1/3]
x=(-1/27)+[81/3-1/3]
x=(-1/27)+80/3
x=-1/27+720/27
x=719/27