Precalculus Examples

$6 - 8 i + (7 - 9 i)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$6 - 8 i + 7 - 9 i$

Step 1.2

Add $6$ and $7$ .

$13 - 8 i - 9 i$

$13 - 8 i - 9 i$

Step 2

Subtract $9 i$ from $- 8 i$ .

$13 - 17 i$

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