Dividing two simple rational expressions by factoring

The video tutorial covers dividing fractions by recalling the multiplication of fractions. It emphasizes the importance of using reciprocals to convert division problems into multiplication problems. The teacher explains the process of factoring expressions and simplifying results, highlighting the constraints involved in the problem. The lesson concludes with a discussion on the constraints of the variable in the context of the problem.

What should you do before applying any factoring in a division problem?

What constraint does the teacher mention regarding the variable X?