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Mathematics 18 Online
OpenStudy (anonymous):

Simplify: (y^2-9y+20)/(80-5y^2)

OpenStudy (anonymous):

Simplified form: (5-y)/(5y+20)

OpenStudy (lalaly):

(y-5)(y-4) / -5(y-4)(y+4) cancel out y-4 y-5 / -5(y+4) = y-5 / (20-5y)

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