Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 2 - Nonlinear Functions - 2.4 Exponential Functions - 2.4 Exercises - Page 86: 18


x= -6

Work Step by Step

We can rewrite the equation: $25^{x}=125^{x+2}$ $5^{2x}=5^{3(x+2)}$ $5^{2x}=5^{3x+6}$ So, $2x = 3x + 6$ $x= -6$
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