Factor out of .

Rewrite as .

Pull terms out from under the radical.

Multiply by .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Evaluate – square root of 20

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# Evaluate – square root of 20

Factor out of .

Rewrite as .

Pull terms out from under the radical.

Multiply by .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Evaluate – square root of 20