Basic Math Examples

$7 (4 n^{2} - 8 n - 4)$

Step 1

Apply the distributive property.

$7 (4 n^{2}) + 7 (- 8 n) + 7 \cdot - 4$

Step 2

Simplify.

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Step 2.1

Multiply $4$ by $7$ .

$28 n^{2} + 7 (- 8 n) + 7 \cdot - 4$

Step 2.2

Multiply $- 8$ by $7$ .

$28 n^{2} - 56 n + 7 \cdot - 4$

Step 2.3

Multiply $7$ by $- 4$ .

$28 n^{2} - 56 n - 28$

$28 n^{2} - 56 n - 28$

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