Evaluate square root of 9-9

$\sqrt{9 - 9}$

Step 1

Subtract $9$ from $9$ .

$\sqrt{0}$

Step 2

Rewrite $0$ as $0^{2}$ .

$\sqrt{0^{2}}$

Step 3

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

$0$

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