Algebra-2

Question Analysis
This problem evaluates the ability to simplify and combine radical expressions with different radicands.

Key Concept Explanation
To simplify and combine radical expressions, we need to first simplify each radical to its simplest form. Then, we can combine like radicals by adding or subtracting their coefficients.

Step-by-step Solution
1. Simplify each radical:


2. Substitute the simplified forms back into the expression: