Simplify -8 square root of 25

$- 8 \sqrt{25}$

Step 1

Rewrite $25$ as $5^{2}$ .

$- 8 \sqrt{5^{2}}$

Step 2

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

$- 8 \cdot 5$

Step 3

Multiply $- 8$ by $5$ .

$- 40$

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