Precalculus Examples

$3 - j + (6 + 2 j)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$3 - j + 6 + 2 j$

Step 1.2

Add $3$ and $6$ .

$- j + 9 + 2 j$

$- j + 9 + 2 j$

Step 2

Add $- j$ and $2 j$ .

$j + 9$

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