College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.8 - Solving Basic Equations - P.8 Exercises: 56

Answer

$\left\{-4, 4\right\}$

Work Step by Step

Divide $3$ on both sides of the equation to obtain: $x^2=16$ Take the square root of both sides to obtain: $x = \sqrt{16} x = \pm 4$ Thus, the solution set of the given equation is $\left\{-4, 4\right\}$.
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