Pre-Algebra Examples

$16 - 4 \cdot 8 + 4^{2} - (- 18) - (- 9)$

Step 1

Simplify each term.

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Step 1.1

Multiply $- 4$ by $8$ .

$16 - 32 + 4^{2} - (- 18) - (- 9)$

Step 1.2

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

$16 - 32 + 16 - (- 18) - (- 9)$

Step 1.3

Multiply $- 1$ by $- 18$ .

$16 - 32 + 16 + 18 - (- 9)$

Step 1.4

Multiply $- 1$ by $- 9$ .

$16 - 32 + 16 + 18 + 9$

$16 - 32 + 16 + 18 + 9$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Subtract $32$ from $16$ .

$- 16 + 16 + 18 + 9$

Step 2.2

Add $- 16$ and $16$ .

$0 + 18 + 9$

Step 2.3

Add $0$ and $18$ .

$18 + 9$

Step 2.4

Add $18$ and $9$ .

$27$

$27$

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