### Home > INT3 > Chapter 4 > Lesson 4.3.2 > Problem 4-81

4-81.

Solve each equation. Be sure to check your answers.** **Homework Help ✎

First isolate the radical by subtracting 2 from both sides.

Square both sides.

Set the equation equal to 0.

Factor.

(is extraneous)

You will need to square twice.