Basic Math Examples

$20 + (- 23 - 8 i) + 7$

Step 1

Remove parentheses.

$20 - 23 - 8 i + 7$

Step 2

Subtract $23$ from $20$ .

$- 3 - 8 i + 7$

Step 3

Add $- 3$ and $7$ .

$4 - 8 i$

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