Evaluate - square root of 484

$- \sqrt{484}$

Step 1

Rewrite $484$ as $22^{2}$ .

$- \sqrt{22^{2}}$

Step 2

Multiply.

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

$- 1 \cdot 22$

Multiply $- 1$ by $22$ .

$- 22$

$- 22$

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