# Evaluate square root of 20- square root of 80

Simplify each term.
Rewrite as .
Factor out of .
Rewrite as .
Pull terms out from under the radical.
Rewrite as .
Factor out of .
Rewrite as .
Pull terms out from under the radical.
Multiply by .
Subtract from .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Evaluate square root of 20- square root of 80