Algebra-1

Question Analysis
This question tests the student's ability to combine like radicals, which involves adding or subtracting the coefficients of the radicals while keeping the radicand the same.

Key Concept Explanation
The key concept here is the property of combining like radicals, which states that if the radicands are the same, you can add or subtract the coefficients. Specifically, .

Step-by-step Solution
1. Identify the like radicals:

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