Learning how to simplify radical expression

The video tutorial explains how to work with square numbers and rewrite non-square numbers using square factors. It emphasizes the importance of identifying the largest square factor to simplify expressions. The process involves breaking down numbers into their square components and using square roots to simplify mathematical expressions.

How can the number 25 be expressed in terms of a square?

What is the final expression obtained after rewriting sqrt(r^2) and sqrt(3)?