Factor out of .

Rewrite as .

Pull terms out from under the radical.

Multiply by .

Factor out of .

Rewrite as .

Pull terms out from under the radical.

Multiply by .

Combine using the product rule for radicals.

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Simplify (2 square root of 3- square root of 12)*( square root of 5-7 square root of 12)