# Chapter 1 - Equations and Inequalities - 1.4 Quadratic Equations - 1.4 Exercises - Page 121: 20

The solutions are $x = 8,-8$

#### Work Step by Step

$x^2 - 64= 0$ $(x+8)(x-8) = 0$ $x-8= 0$ $x = 8$ OR $x + 8= 0$ $x = -8$ The solutions are $x = 8,-8$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.