## Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole

# Chapter 5 - Exponential Functions - Chapter Review Exercises: 14

#### Answer

$x=-6,6$

#### Work Step by Step

Isolate the variable factor on one side, and then take the $n$th root of both sides to solve for the variable. If the root is even, there will be a positive and negative answer. If the root is odd and the other side is negative, there is only a negative answer. $-4x^8+2768=-6715696$ $-4x^8=-6718464$ $x^8=1679616$ $x=-6,6$

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