Pre-Algebra Examples

$- 4^{2} - 7 \cdot - 4 - 8$

Step 1

Simplify each term.

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Step 1.1

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

$- 1 \cdot 16 - 7 \cdot - 4 - 8$

Step 1.2

Multiply $- 1$ by $16$ .

$- 16 - 7 \cdot - 4 - 8$

Step 1.3

Multiply $- 7$ by $- 4$ .

$- 16 + 28 - 8$

$- 16 + 28 - 8$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Add $- 16$ and $28$ .

$12 - 8$

Step 2.2

Subtract $8$ from $12$ .

$4$

$4$

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