📘 set theory, algebra

1. Problem: Find $x \in \mathbb{N}$ such that $D = A$ where $D = \{x^2 - 10, 12\}$ and $A$ is given. 2. Since $D = A$, and $A$ is not explicitly given, assume $A = \emptyset$ or $A

1. **State the problem:** We are given sets: - $U = \{\text{all prime numbers}\}$