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Mathematics 10 Online
OpenStudy (anonymous):

Simplify the rational expression. State any restrictions on the variable.

OpenStudy (anonymous):

\[\frac{ k ^{2} - k - 2 }{ k ^{2} - 4k - 5 }\]

OpenStudy (noelgreco):

Factor the numerator and denominator. You'll find one of the factors divides out.

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