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Mathematics 17 Online
OpenStudy (anonymous):

Simplify. State any restrictions on the variables.

OpenStudy (anonymous):

\[{x^2-x-20 \over x^2-6x} / {x^2+9x+20 \over x^2-12x+36}\]

OpenStudy (anonymous):

do you know how to start of the problem? or at least have an idea?

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