Basic Math Examples

$8 + 9 i^{2}$

Step 1

Simplify each term.

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Step 1.1

Rewrite $i^{2}$ as $- 1$ .

$8 + 9 \cdot - 1$

Step 1.2

Multiply $9$ by $- 1$ .

$8 - 9$

$8 - 9$

Step 2

Subtract $9$ from $8$ .

$- 1$

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