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Home > A2C > Chapter 9 > Lesson 9.3.2 > Problem 9-153

9-153.
  1. 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.