Pre-Algebra Examples

$(12 - 3 i) + (7 + 3 i)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$12 - 3 i + 7 + 3 i$

Step 1.2

Add $12$ and $7$ .

$19 - 3 i + 3 i$

$19 - 3 i + 3 i$

Step 2

Add $- 3 i$ and $3 i$ .

$19 + 0$

Step 3

Add $19$ and $0$ .

$19$

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