Question
Simplify.
(xz^3) (x^2 y^-1)^-3
__________
2z^2
using only positive exponents how do I simplify this?
(xz^3) (x^2 y^-1)^-3
__________
2z^2
using only positive exponents how do I simplify this?
Answers
use the / symbol for division or to show fractions, so ...
(xz^3) (x^2 y^-1)^-3 / (2z^2) , those brackets are needed, or else we would divide by only 2
= (x z^3)(x^-3 y^3) / (2z^2)
= (x z^(3-3-2) y^3) / 2
= x y^3 / (2z^2)
(xz^3) (x^2 y^-1)^-3 / (2z^2) , those brackets are needed, or else we would divide by only 2
= (x z^3)(x^-3 y^3) / (2z^2)
= (x z^(3-3-2) y^3) / 2
= x y^3 / (2z^2)
(xz^3) (x^2 y^-1)^-3 / (2z^2)
(xz^3) (x^-6 y^3) / (2z^2)
(x^-5 y^3 z^3)/(2z^2)
(y^3 z) / (2x^5)
(xz^3) (x^-6 y^3) / (2z^2)
(x^-5 y^3 z^3)/(2z^2)
(y^3 z) / (2x^5)
messed up, go with oobleck
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