Lemma
EasyRational expressions
OpenStax, Elementary Algebra 2e §8.1 Simplify Rational Expressions · Try It 1 · Algebra · Rational expressions

Simplify Rational Expressions · Try It 1

Determine the values for which the rational expression is undefined:
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OpenStax, Elementary Algebra 2e · §8.1 Simplify Rational Expressions · Try It 1

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