Raise to the power: (-xn)^(4)

Question

Raise to the power:

`(-xn)^(4)`

Answer 1

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`( { - xn})^(4) = ({ - x})^(4) * ({n})^(4) =`

`( { - 1})^(4) * {x}^(4) * {n}^(4) = {x}^(4) {n}^(4)`

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Answer 2

x^4 n^4

Explanation:

(-x)^4*n^4

4 is an even power and the minus sign disappears. 4 minus signs make a plus.

x^4 n^4