Algebra Examples

$\sqrt{4} - 2$

Step 1

Simplify each term.

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Step 1.1

Rewrite $4$ as $2^{2}$ .

$\sqrt{2^{2}} - 2$

Step 1.2

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

$2 - 2$

Step 2

Subtract $2$ from $2$ .

$0$