It is an expression:
x3-6
Six cubed means six to the third power or 6 x 6 x 6. That would be 216.
526
6<x^3 which means that x >1.817121. Since it is cubed, there is no '-1.817121' solution.
x3 -6
X cubed - X cubed is zero.
(x - 2)(x^2 + x + 3)
six cubed is 63
63 = 6 x 6 x 6 63 = 36 x 6 63 = 216
x(x - 25)(x - 25)
The cubed root of 216 is 6. 6 x 6 x 6 = 216
X 2 cubed
x to the power of 6.