Algebra Examples

$- \sqrt{225}$

Step 1

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

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

Step 2

Multiply.

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Step 2.1

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

$- 1 \cdot 15$

Step 2.2

Multiply $- 1$ by $15$ .

$- 15$