Pre-Algebra Examples

$- 2 {(3)}^{2} - 5$

Step 1

Simplify each term.

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Step 1.1

Raise $3$ to the power of $2$ .

$- 2 \cdot 9 - 5$

Step 1.2

Multiply $- 2$ by $9$ .

$- 18 - 5$

$- 18 - 5$

Step 2

Subtract $5$ from $- 18$ .

$- 23$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$