Precalculus Examples

$3 + 4 i + (7 + 8 i)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$3 + 4 i + 7 + 8 i$

Step 1.2

Add $3$ and $7$ .

$10 + 4 i + 8 i$

$10 + 4 i + 8 i$

Step 2

Add $4 i$ and $8 i$ .

$10 + 12 i$

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