Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 8 - Sections 8.1-8.3 - Integrated Review - Summary on Solving Quadratic Equations: 22

Answer

The solution set is: $\left\{-\sqrt{31}, \sqrt{31}\right\}$.

Work Step by Step

Add 31 to both sides: $x^2-31+31=0+31 \\x^2=31$ Get the square root of both sides: $x= \pm \sqrt{31}$
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