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posted by Coach Tuesday, April 10, 2012 at 6:53am.

Simplify by removing the factor of 1 5y -20 / 5y

5 y - 20 / 5 y = 5 y - 4 * 5 / 5 y = 5 y - 4 / y = ( 5 y * y - 4 ) / y = ( 5 y ^ 2 - 4 ) / y

I assume you mean (5y-20)/(5y) then = 5(y-4)/(5y) = (y-4)/y

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