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posted by Daisy on Sunday, August 22, 2010 at 3:36pm.

simplify 4xy^-2/((12x^-1/3)(y^-5))

4xy^(-2)/((12x^(-1)/3)(y^(-5))) =4(x/y²)/(12/(3xy^5)) =(4/12)(3x*xy^5)/y² =x²y³

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