Simplifying a rational expression by factoring

The video tutorial addresses a common misconception among students regarding the division of terms in algebraic expressions. It explains that terms separated by addition or subtraction cannot be divided directly, unlike those separated by multiplication. The teacher emphasizes the importance of factoring to rewrite expressions, enabling division. The process of factoring, including identifying the greatest common factor (GCF) and factoring trinomials, is detailed. The tutorial concludes with the final solution, highlighting the need to consider constraints where certain values are not permissible.

Describe the process of factoring a trinomial as mentioned in the text.

What are the constraints mentioned for the final answer in the division problem?