Pre-Algebra Examples

$2 x (x + 1)$

Step 1

Apply the distributive property.

$2 x \cdot x + 2 x \cdot 1$

Step 2

Multiply $x$ by $x$ by adding the exponents.

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Step 2.1

Move $x$ .

$2 (x \cdot x) + 2 x \cdot 1$

Step 2.2

Multiply $x$ by $x$ .

$2 x^{2} + 2 x \cdot 1$

$2 x^{2} + 2 x \cdot 1$

Step 3

Multiply $2$ by $1$ .

$2 x^{2} + 2 x$

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