Basic Math Examples

$40 - 5 i - 16 i + 8 i^{2}$

Step 1

Simplify each term.

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Step 1.1

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

$40 - 5 i - 16 i + 8 \cdot - 1$

Step 1.2

Multiply $8$ by $- 1$ .

$40 - 5 i - 16 i - 8$

$40 - 5 i - 16 i - 8$

Step 2

Simplify by adding terms.

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Step 2.1

Subtract $8$ from $40$ .

$32 - 5 i - 16 i$

Step 2.2

Subtract $16 i$ from $- 5 i$ .

$32 - 21 i$

$32 - 21 i$

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