Algebra Examples

$- 9 (7 x^{2} - 7 x^{3} - 9 x^{2} + 9 x^{3})$

Step 1

Subtract $9 x^{2}$ from $7 x^{2}$ .

$- 9 (- 7 x^{3} - 2 x^{2} + 9 x^{3})$

Step 2

Add $- 7 x^{3}$ and $9 x^{3}$ .

$- 9 (2 x^{3} - 2 x^{2})$

Step 3

Apply the distributive property.

$- 9 (2 x^{3}) - 9 (- 2 x^{2})$

Step 4

Multiply.

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Step 4.1

Multiply $2$ by $- 9$ .

$- 18 x^{3} - 9 (- 2 x^{2})$

Step 4.2

Multiply $- 2$ by $- 9$ .

$- 18 x^{3} + 18 x^{2}$

$- 18 x^{3} + 18 x^{2}$

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