Question 478624
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Hint:  Consider the factorization of the difference of two cubes:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ a^3\ -\ b^3\ = \left(a\ -\ b\right)\left(a^2\ +\ ab\ +\ b^2\right)]


Amd consider the fact that *[tex \Large 8\ =\ 2^3]



John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
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