Multiply by .

Multiply and .

Expand the denominator using the FOIL method.

Subtract from .

Subtract from .

Factor out of .

Move the negative one from the denominator of .

Rewrite as .

Apply the distributive property.

Apply the distributive property.

Multiply by .

Multiply by .

Rationalize the Denominator 4/( square root of x-2- square root of x)