Precalculus Examples

$- 6 + 5 i + (7 + 6 i) + (3 + 5 i)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$- 6 + 5 i + 7 + 6 i + 3 + 5 i$

Step 1.2

Add $- 6$ and $7$ .

$1 + 5 i + 6 i + 3 + 5 i$

Step 1.3

Add $1$ and $3$ .

$4 + 5 i + 6 i + 5 i$

$4 + 5 i + 6 i + 5 i$

Step 2

Add $5 i$ and $6 i$ .

$4 + 11 i + 5 i$

Step 3

Add $11 i$ and $5 i$ .

$4 + 16 i$

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