Simplify an expression with four terms by factoring grouping

The video tutorial explains the process of simplifying expressions by factoring. It begins with an introduction to factoring and the challenges faced when terms do not share common factors. The tutorial then introduces the concept of factoring by grouping, particularly useful for expressions with four terms. A step-by-step guide is provided to apply this method, leading to the final factorization and simplification of the expression.

What is the first step to simplify the expression mentioned in the text?

How can you identify if you can factor out a common term from the given expression?

What should you do if the terms do not share a common factor?

What does factoring by grouping involve according to the text?

Explain how to factor out the common terms from the expression XY - A.