Combine and into a single radical.

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Reduce the expression by cancelling the common factors.

Factor out of .

Raise to the power of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Rewrite as .

Move .

Rewrite as .

Pull terms out from under the radical.

Simplify ( square root of 63xy^3)/( square root of 7y)