Algebra Examples

$\sqrt{{(2 - \sqrt{7})}^{2}}$

Step 1

Pull terms out from under the radical, assuming positive real numbers.

$2 - \sqrt{7}$

Step 2

The result can be shown in multiple forms.

Exact Form:

$2 - \sqrt{7}$

Decimal Form:

$- 0.64575131 \dots$