Algebra-2

Question Analysis
This problem assesses the ability to simplify a rational function and identify where it is undefined.

Key Concept Explanation
A rational function can be simplified by factoring the numerator and denominator and canceling common factors. The function is undefined where the denominator is zero.

Step-by-step Solution
1. Factor the numerator:
2. Rewrite the function:
3. Simplify by canceling the common factor:

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