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Mathematics 7 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

OpenStudy (anonymous):

A.

OpenStudy (anonymous):

b

OpenStudy (anonymous):

C

OpenStudy (anonymous):

D

Directrix (directrix):

@dietrich_harmon We need to factor the numerator k^2 - k - 2 and also the denominator k^2 - 4k - 5. There should be a common factor that will divide out.

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