Precalculus Examples

$(3 - 4 i) + (6 + 7 i)$

Step 1

Simplify the expression.

Tap for more steps...

Step 1.1

Remove parentheses.

$3 - 4 i + 6 + 7 i$

Step 1.2

Add $3$ and $6$ .

$9 - 4 i + 7 i$

$9 - 4 i + 7 i$

Step 2

Add $- 4 i$ and $7 i$ .

$9 + 3 i$

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