Pre-Algebra Examples

$- 9 (- 9 x - 4 y + 9)$

Step 1

Apply the distributive property.

$- 9 (- 9 x) - 9 (- 4 y) - 9 \cdot 9$

Step 2

Simplify.

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Step 2.1

Multiply $- 9$ by $- 9$ .

$81 x - 9 (- 4 y) - 9 \cdot 9$

Step 2.2

Multiply $- 4$ by $- 9$ .

$81 x + 36 y - 9 \cdot 9$

Step 2.3

Multiply $- 9$ by $9$ .

$81 x + 36 y - 81$

$81 x + 36 y - 81$

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