Combine and into a single radical.

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Move to the numerator using the negative exponent rule .

Multiply by by adding the exponents.

Move .

Use the power rule to combine exponents.

Add and .

Rewrite as .

Factor out .

Rewrite as .

Move .

Rewrite as .

Pull terms out from under the radical.

Simplify ( cube root of 81x^10y^2)/( cube root of 3x^5y^-4)