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Algebra 1ChallengeExponents

Exponents · Challenge problem

Simplify (positive exponents only):   (2x2y−1)−3(3x−1y2)26x−4y−3\;\dfrac{\left(2x^{2}y^{-1}\right)^{-3}\left(3x^{-1}y^{2}\right)^{2}}{6x^{-4}y^{-3}}.