OpenStax, Elementary Algebra 2e §8.1 Simplify Rational Expressions · Exercise 71 · Algebra · Rational expressions

Simplify Rational Expressions · Exercise 71

Explain how you find the values of x for which the rational expression $\frac{x ^{2} - x - 20}{x ^{2} - 4}$ is undefined.

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OpenStax, Elementary Algebra 2e · §8.1 Simplify Rational Expressions · Exercise 71

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