Evaluate square root of 7-7

$\sqrt{7 - 7}$

Step 1

Subtract $7$ from $7$ .

$\sqrt{0}$

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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