### Home > PC3 > Chapter 13 > Lesson 13.1.2 > Problem 13-28

13-28.

Factor each of the following expressions.

Remember that a difference of two squares has a special factoring pattern.

Factor out a

first.

Think of

as one big variable (like ).

13-28.

Factor each of the following expressions.

Remember that a difference of two squares has a special factoring pattern.

Factor out a

first.

Think of

as one big variable (like ).