Trigonometry Examples

$2 + 7 i + (- 6 + i)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$2 + 7 i - 6 + i$

Step 1.2

Subtract $6$ from $2$ .

$- 4 + 7 i + i$

Step 2

Add $7 i$ and $i$ .

$- 4 + 8 i$

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