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Mathematics 24 Online
OpenStudy (anonymous):

x^2+4x-21/x^2+x-42

OpenStudy (anonymous):

x-3/x-6

OpenStudy (anonymous):

x^2+4x-21/x^2+x-42 (x-3)(x+7)/(x-3)(x+7) cancel x+7 in numerator and denominator

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