Basic Math Examples

$12 - 3 - (- 4)$

Step 1

Multiply $- 1$ by $- 4$ .

$12 - 3 + 4$

Step 2

Subtract $3$ from $12$ .

$9 + 4$

Step 3

Add $9$ and $4$ .

$13$

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