Precalculus Examples

$(8 - 12 i) - (- 13 + 19 i)$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$8 - 12 i - - 13 - (19 i)$

Step 1.2

Multiply $- 1$ by $- 13$ .

$8 - 12 i + 13 - (19 i)$

Step 1.3

Multiply $19$ by $- 1$ .

$8 - 12 i + 13 - 19 i$

$8 - 12 i + 13 - 19 i$

Step 2

Simplify by adding terms.

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Step 2.1

Add $8$ and $13$ .

$21 - 12 i - 19 i$

Step 2.2

Subtract $19 i$ from $- 12 i$ .

$21 - 31 i$

$21 - 31 i$

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