Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Practice and Problem-Solving Exercises: 9

Answer

$$x = \pm2$$

Work Step by Step

First add 12 on both sides $$3x^2 = 12$$ Then divide by 3 on both sides $$x^2 = 4$$ Then you should find the square root of both sides $$x = \pm2$$ Remember the square root of any number above 0 has 2 answers.
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