### Home > PC > Chapter 2 > Lesson 2.1.2 > Problem 2-28

2-28.

Factor out the greatest common factor first. Then factor what is left inside if possible.

Once you factor out the greatest common factor, the other factor should be a difference of squares.

2-28.

Factor out the greatest common factor first. Then factor what is left inside if possible.

Once you factor out the greatest common factor, the other factor should be a difference of squares.