4(xy^-1) can be simplified as 4x * y^-1.
Using the property of exponents that states a^(-n) = 1/a^n, we can rewrite y^-1 as 1/y.
So the simplified expression becomes 4x * 1/y.
Simplify the expression using the properties of exponents. Expand any numerical portion of your answer and only include positive exponents.
4(xy−1)
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