Factor out of .

Rewrite as .

Factor out .

Rewrite as .

Move .

Rewrite as .

Add parentheses.

Pull terms out from under the radical.

Multiply by .

Factor out of .

Rewrite as .

Factor out .

Move .

Rewrite as .

Add parentheses.

Pull terms out from under the radical.

Multiply by .

Simplify 3a^(3 square root of 200a^5)-4a^(4 square root of 72a^3)