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Add parentheses.

Pull terms out from under the radical.

Rewrite using the commutative property of multiplication.

Rewrite as .

Rewrite as .

Factor out .

Rewrite as .

Factor out .

Rewrite as .

Move .

Rewrite as .

Add parentheses.

Pull terms out from under the radical.

Multiply by .

Rewrite as .

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Factor out .

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Factor out .

Rewrite as .

Move .

Rewrite as .

Add parentheses.

Pull terms out from under the radical.

Subtract from .

Add and .

Simplify a^2 square root of 16ab^9- square root of 4a^5b^9+ square root of 64a^5b^9