## Intermediate Algebra (6th Edition)

Published by Pearson

# Chapter 8 - Section 8.1 - Solving Quadratic Equations by Completing the Square - Exercise Set: 16

x=±2i

#### Work Step by Step

Original Equation x²+4=0 Subtract 4 from both sides x²=-4 Take the square root of both sides x=±$\sqrt -4$ Simplify the radical x=±2i

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.