Simplify this Rational Expression using Order of Operations

The video tutorial explains how to simplify rational expressions using the order of operations. It emphasizes the importance of using the division bar instead of the division symbol for clarity. The tutorial highlights the role of grouping symbols, such as parentheses, in simplifying expressions. It provides a step-by-step guide to simplifying both the numerator and denominator before applying other operations.

How should one approach simplifying the numerator and denominator in a rational expression?

What mistake do students often make when dealing with rational expressions, according to the speaker?