Algebra Examples

$9 y i^{4} + y i$

Step 1

Rewrite $i^{4}$ as $1$ .

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Step 1.1

Rewrite $i^{4}$ as ${(i^{2})}^{2}$ .

$9 y {(i^{2})}^{2} + y i$

Step 1.2

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

$9 y {(- 1)}^{2} + y i$

Step 1.3

Raise $- 1$ to the power of $2$ .

$9 y \cdot 1 + y i$

$9 y \cdot 1 + y i$

Step 2

Multiply $9$ by $1$ .

$9 y + y i$

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