Rewrite as .

Factor out of .

Rewrite as .

Pull terms out from under the radical.

Multiply by .

Multiply by .

Multiply and .

Expand the denominator using the FOIL method.

Simplify.

Factor out of .

Move the negative one from the denominator of .

Rewrite as .

Apply the distributive property.

Multiply by .

Apply the distributive property.

Multiply by .

Multiply by .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Rationalize the Denominator 9/( square root of 5- square root of 8)