### Home > CC4 > Chapter 5 > Lesson 5.2.3 > Problem 5-79

5-79.

Compute the following products. Homework Help ✎

(4

*x*+ 5)(4*x*− 5)(4

*x*+ 5)^{2}

Review the Math Notes box in Lesson 3.2.2.

Recall that (4*x* + 5)^{2} is the equivalent to (4*x* + 5)(4*x* + 5).

16*x*^{2} + 40*x* + 25