Precalculus Examples

$9 b - (3 - 4 b)$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$9 b - 1 \cdot 3 - (- 4 b)$

Step 1.2

Multiply $- 1$ by $3$ .

$9 b - 3 - (- 4 b)$

Step 1.3

Multiply $- 4$ by $- 1$ .

$9 b - 3 + 4 b$

$9 b - 3 + 4 b$

Step 2

Add $9 b$ and $4 b$ .

$13 b - 3$

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