Simplify - square root of 121

$- \sqrt{121}$

Step 1

Rewrite $121$ as $11^{2}$ .

$- \sqrt{11^{2}}$

Step 2

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

$- 1 \cdot 11$

Step 3

Multiply $- 1$ by $11$ .

$- 11$

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