Pre-Algebra Examples

$- 3 (6 - 2 r) - 3 r$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$- 3 \cdot 6 - 3 (- 2 r) - 3 r$

Step 1.2

Multiply $- 3$ by $6$ .

$- 18 - 3 (- 2 r) - 3 r$

Step 1.3

Multiply $- 2$ by $- 3$ .

$- 18 + 6 r - 3 r$

$- 18 + 6 r - 3 r$

Step 2

Subtract $3 r$ from $6 r$ .

$- 18 + 3 r$

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