Pre-Algebra Examples

$3 {(- 2)}^{4} + 5 {(- 2)}^{3} - 2 \cdot - 2 - 2$

Step 1

Simplify each term.

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Step 1.1

Raise $- 2$ to the power of $4$ .

$3 \cdot 16 + 5 {(- 2)}^{3} - 2 \cdot - 2 - 2$

Step 1.2

Multiply $3$ by $16$ .

$48 + 5 {(- 2)}^{3} - 2 \cdot - 2 - 2$

Step 1.3

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

$48 + 5 \cdot - 8 - 2 \cdot - 2 - 2$

Step 1.4

Multiply $5$ by $- 8$ .

$48 - 40 - 2 \cdot - 2 - 2$

Step 1.5

Multiply $- 2$ by $- 2$ .

$48 - 40 + 4 - 2$

$48 - 40 + 4 - 2$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Subtract $40$ from $48$ .

$8 + 4 - 2$

Step 2.2

Add $8$ and $4$ .

$12 - 2$

Step 2.3

Subtract $2$ from $12$ .

$10$

$10$

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