Algebra-2

Question Analysis
This problem assesses the ability to simplify and combine radical expressions by first simplifying each term and then combining like radicals.

Key Concept Explanation
To add or subtract radical expressions, they must be in their simplest form. This involves factoring out perfect squares from the radicands and then combining like radicals.

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


2. Substitute the simplified radicals back into the expression: