Algebra-2

Question Analysis
This problem assesses the ability to add and subtract like radicals.

Key Concept Explanation
Like radicals have the same radicand and index. When adding or subtracting like radicals, only the coefficients are combined while the radicand remains unchanged.

Step-by-step Solution
1. Identify the like radicals: All terms have the same radicand, .
2. Combine the coefficients: .
3. Write the final simplified expression: