# Chapter 1 - Introduction to Algebraic Expressions - 1.8 Exponential Notation and Order of Operations - 1.8 Exercise Set: 130

$\text{undefined}$

#### Work Step by Step

Substituting $x$ with $2$, then the given expression, $\dfrac{x^2+2^x}{x^2-2^x}$, evaluates to \begin{array}{l}\require{cancel} \dfrac{2^2+2^2}{2^2-2^2} \\\\= \dfrac{4+4}{4-4} \\\\= \dfrac{8}{0} \\\\= \text{undefined} .\end{array}

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