If x and y are numbers such that (x+4)(y-4)=0, what is the…

If x and y are numbers such that (x+4)(y-4)=0, what is the smallest possible value of x^2 + y^2

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 #49928