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posted by Emmett Thursday, August 16, 2012 at 7:06pm.

Simplify the radical expression. 1. 27x^4y^5 2.72m^2n^8

1. sqrt(27x^4y^5) = sqrt(9*3x^4y^4*y) = 3x^2y^2*sqrt(3y). 2. sqrt(72m^2n^8) = sqrt(36*2m^2n^8) = 6mn^4*sqrt(2).

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