Evaluate - square root of 225

$- \sqrt{225}$

Step 1

Rewrite $225$ as $15^{2}$ .

$- \sqrt{15^{2}}$

Step 2

Multiply.

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

$- 1 \cdot 15$

Multiply $- 1$ by $15$ .

$- 15$

$- 15$

Related Questions