# Rationalize the Numerator (4- square root of x)/(x-16)

Multiply by .
Combine.
Expand the numerator using the FOIL method.
Simplify.
Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Simplify.
Expand using the FOIL Method.
Apply the distributive property.
Apply the distributive property.
Apply the distributive property.
Simplify each term.
Move to the left of .
Multiply by .
Rationalize the Numerator (4- square root of x)/(x-16)