Pre-Algebra Examples

$(- 2 x - 9) (- 4)$

Step 1

Apply the distributive property.

$- 2 x \cdot - 4 - 9 \cdot - 4$

Step 2

Multiply.

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Step 2.1

Multiply $- 4$ by $- 2$ .

$8 x - 9 \cdot - 4$

Step 2.2

Multiply $- 9$ by $- 4$ .

$8 x + 36$

$8 x + 36$

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