Pre-Algebra Examples

$1 \cdot - 2 \cdot 3^{2} - 2^{2}$

Step 1

Simplify each term.

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Step 1.1

Multiply $- 2$ by $1$ .

$- 2 \cdot 3^{2} - 2^{2}$

Step 1.2

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

$- 2 \cdot 9 - 2^{2}$

Step 1.3

Multiply $- 2$ by $9$ .

$- 18 - 2^{2}$

Step 1.4

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

$- 18 - 1 \cdot 4$

Step 1.5

Multiply $- 1$ by $4$ .

$- 18 - 4$

$- 18 - 4$

Step 2

Subtract $4$ from $- 18$ .

$- 22$

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