Trigonometry Examples

$(- 1 - 3 i) + 2 (4 + 6 i)$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$- 1 - 3 i + 2 \cdot 4 + 2 (6 i)$

Step 1.2

Multiply $2$ by $4$ .

$- 1 - 3 i + 8 + 2 (6 i)$

Step 1.3

Multiply $6$ by $2$ .

$- 1 - 3 i + 8 + 12 i$

$- 1 - 3 i + 8 + 12 i$

Step 2

Simplify by adding terms.

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Step 2.1

Add $- 1$ and $8$ .

$7 - 3 i + 12 i$

Step 2.2

Add $- 3 i$ and $12 i$ .

$7 + 9 i$

$7 + 9 i$

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