Algebra Examples

$- 2!$

Step 1

Expand $2!$ to $2 \cdot 1$ .

$- (2 \cdot 1)$

Step 2

Multiply $2$ by $1$ .

$- 1 \cdot 2$

Step 3

Multiply $- 1$ by $2$ .

$- 2$

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