Factor out of .

Rewrite as .

Add parentheses.

Add parentheses.

Pull terms out from under the radical.

Rewrite as .

Move .

Rewrite as .

Pull terms out from under the radical.

Multiply by .

Combine using the product rule for radicals.

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Reorder and .

Add parentheses.

Pull terms out from under the radical.

Simplify square root of 72xy* square root of 4xy^2