Learn to simplify a rational expression

The video tutorial focuses on simplifying mathematical expressions by identifying common factors and using factoring techniques. The instructor guides students through the process of simplifying a complex expression, emphasizing the importance of recognizing common terms and applying factoring methods. The tutorial concludes with the final simplified expression, demonstrating the step-by-step approach to reach the solution.

Explain the importance of rewriting the expression as y - 3 and y + 2.

What is the final simplified answer provided in the text?