Multiplying rational expressions

The video tutorial focuses on simplifying rational expressions, particularly binomials. The instructor emphasizes the importance of simplifying expressions before performing operations to avoid unnecessary work. The process involves factoring out common terms and simplifying the expressions step by step. The tutorial concludes with a final simplification, resulting in a simplified expression of 4/3.

How can common terms in binomials affect the simplification process?

What is the final simplified result mentioned in the text?