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Mathematics 8 Online
OpenStudy (erinweeks):

Simplify the rational expression. State any excluded values.

OpenStudy (erinweeks):

\[\frac{ x ^{2} -36 }{ 42x-7x ^{2} }\]

OpenStudy (anonymous):

factor top and the bottom

OpenStudy (radar):

|dw:1346291262887:dw|Note the sign manipulation so that cancellation could occur.

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