Home > A2C > Chapter 9 > Lesson 9.3.2 > Problem 9-153
9-153.
Solve each equation. Be sure to check your answers. Homework Help ✎
First isolate the radical.
Square both sides.
Set the equation equal to 0.
Factor the equation.
x = x2 − 4x + 4
x2 − 5x + 4 = 0
(x − 4)(x − 1)
x = 4
You will need to square twice.