Algebra-1

Question Analysis
This question tests the understanding of even roots of negative numbers in the real number system.

Key Concept Explanation
In the real number system, even roots of negative numbers are undefined because there is no real number that, when squared, results in a negative number.

Step-by-step Solution
1. Identify the base and the root: The base is -25, and the root is 2 (even).
2. Apply the domain restriction: Since the base is negative and the root is even, the expression is undefined in the real number system.
3. Final answer: The expression

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