Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 8 - Section 8.2 - The Quadratic Formula - Exercise Set - Page 608: 40



Work Step by Step

Given: $(2x+7)^2=25$ Need to apply square root property. $(2x+7)^2=25$ This implies that $2x+7=\pm \sqrt {25}$ or, $2x+7=\pm 5$ or, $x=\dfrac{-7- 5}{2},\dfrac{-7 + 5}{2}$ Hence, our solution set is: $x=${$-6,-1$}
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