If x is a whole number, then x2(x2-1) is always divisible by

If x is a whole number, then x2(x2-1) is always divisible by:

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #73609