Precalculus Examples

$(7 - 6 i) - (4 + 7 i)$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$7 - 6 i - 1 \cdot 4 - (7 i)$

Step 1.2

Multiply $- 1$ by $4$ .

$7 - 6 i - 4 - (7 i)$

Step 1.3

Multiply $7$ by $- 1$ .

$7 - 6 i - 4 - 7 i$

$7 - 6 i - 4 - 7 i$

Step 2

Simplify by adding terms.

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Step 2.1

Subtract $4$ from $7$ .

$3 - 6 i - 7 i$

Step 2.2

Subtract $7 i$ from $- 6 i$ .

$3 - 13 i$

$3 - 13 i$

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