Algebra Examples

$(2 + 9 i) + (3 - 4 i) + 4 i$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$2 + 9 i + 3 - 4 i + 4 i$

Step 1.2

Add $2$ and $3$ .

$5 + 9 i - 4 i + 4 i$

$5 + 9 i - 4 i + 4 i$

Step 2

Subtract $4 i$ from $9 i$ .

$5 + 5 i + 4 i$

Step 3

Add $5 i$ and $4 i$ .

$5 + 9 i$

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