Rewrite as .

Factor out of .

Rewrite as .

Pull terms out from under the radical.

Multiply by .

Rewrite as .

Factor out of .

Rewrite as .

Pull terms out from under the radical.

Multiply by .

Subtract from .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Simplify – square root of 147- square root of 243