Algebra Examples

$10 (\sqrt{81} - 12)$

Step 1

Simplify each term.

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Step 1.1

Rewrite $81$ as $9^{2}$ .

$10 (\sqrt{9^{2}} - 12)$

Step 1.2

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

$10 (9 - 12)$

Step 2

Simplify the expression.

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Step 2.1

Subtract $12$ from $9$ .

$10 \cdot - 3$

Step 2.2

Multiply $10$ by $- 3$ .

$- 30$