Algebra Examples

$S = 2 π \cdot 4 (4 + 8)$

Step 1

Remove parentheses.

$S = 2 π \cdot (4 (4 + 8))$

Step 2

Simplify $2 π \cdot (4 (4 + 8))$ .

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Step 2.1

Add $4$ and $8$ .

$S = 2 π \cdot (4 \cdot 12)$

Step 2.2

Multiply $4$ by $12$ .

$S = 2 π \cdot 48$

Step 2.3

Multiply $48$ by $2$ .

$S = 96 π$

$S = 96 π$

Step 3

The result can be shown in multiple forms.

Exact Form:

$S = 96 π$

Decimal Form:

$S = 301.59289474 \dots$

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