Precalculus Examples

$7 + i + (3 - 4 i)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$7 + i + 3 - 4 i$

Step 1.2

Add $7$ and $3$ .

$10 + i - 4 i$

$10 + i - 4 i$

Step 2

Subtract $4 i$ from $i$ .

$10 - 3 i$

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