Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Reduce the expression by cancelling the common factors.

Factor out of .

Multiply by .

Cancel the common factor.

Rewrite the expression.

Divide by .

Factor out of .

Rewrite as .

Factor out .

Move .

Rewrite as .

Add parentheses.

Pull terms out from under the radical.

Evaluate square root of (72x^7)/(4x^4)