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Simplify the expression. (x^2y4/x^-3y^7)^-2
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Simplify the expression. (x^2y4/x^-3y^7)^-2

User Aurelien
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(x^2y4/x^-3y^7)^-2

x^-4 y^-8
= ----------------
x^6 y^-14

= x^(-4 - 6) y^(-8+14)
= x^-10 y^6

y^6
= --------
x^10
User Jeffrey Blake
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