Your question is Explaining Complex Math Under Ambiguity. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Tell me about a time you had to explain a mathematically complex concept—such as why a matrix in a model needed to be positive semi-definite—to teammates or stakeholders who did not share your technical background. How did you handle the ambiguity, align people on the implications for the work, and what was the outcome?