If x*y = xy – 2(x + y) for all integers x…

If x*y = xy – 2(x + y) for all integers x and y, then 4* (–3) =

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 #3867