# Divide ( square root of -18)/( square root of 2)

Pull out imaginary unit .
Rewrite as .
Rewrite as .
Rewrite as .
Combine and into a single radical.
Divide by .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
Move to the left of .
Divide ( square root of -18)/( square root of 2)