Enter a problem...

Simplify

$2 + 3 i + (- 2 + 7 i)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$2 + 3 i - 2 + 7 i$

Step 1.2

Subtract $2$ from $2$ .

$0 + 3 i + 7 i$

Step 1.3

Add $0$ and $3 i$ .

$3 i + 7 i$

Step 2

Add $3 i$ and $7 i$ .

$10 i$

Enter YOUR Problem

Complex Numbers

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