### Home > PC > Chapter 10 > Lesson 10.1.2 > Problem 10-28

10-28.

Identify the dominant terms.

Substitute in *x* = 1. What happens?

Factor and simplify. Then try substituting in *x* = 1.

4

10-28.

Identify the dominant terms.

Substitute in *x* = 1. What happens?

Factor and simplify. Then try substituting in *x* = 1.

4