Rewrite as .

Factor out of .

Rewrite as .

Pull terms out from under the radical.

Rewrite as .

Factor out of .

Rewrite as .

Pull terms out from under the radical.

Cancel the common factor of .

Move the leading negative in into the numerator.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Subtract from .

Simplify square root of 12-2/5* square root of 75