Combining a radical expression

The video tutorial explains how to simplify radical expressions using factoring techniques. It begins by identifying like terms in the expression and then demonstrates how to break down radicals into simpler components. The tutorial emphasizes the importance of combining like terms and provides a step-by-step approach to achieve a simplified expression. The process is explained in a detailed manner to enhance understanding.

How do you combine like terms when simplifying the expression involving sqrt 2?

What is the final simplified version of the expression presented in the video?