1. The question "how do you identify it" is unclear without context. 2. Please provide the specific mathematical expression, equation, or problem you want to identify. 3. Identification in math usually means recognizing the type of problem, equation, or function. 4. For example, identifying a quadratic equation means recognizing it has the form $$ax^2 + bx + c = 0$$. 5. Please clarify or provide the problem so I can help you identify it properly.