Basic Math Examples

$(11 + 9) (11^{2} - 9 - 9^{2})$

Step 1

Add $11$ and $9$ .

$20 (11^{2} - 9 - 9^{2})$

Step 2

Simplify each term.

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Step 2.1

Raise $11$ to the power of $2$ .

$20 (121 - 9 - 9^{2})$

Step 2.2

Raise $9$ to the power of $2$ .

$20 (121 - 9 - 1 \cdot 81)$

Step 2.3

Multiply $- 1$ by $81$ .

$20 (121 - 9 - 81)$

$20 (121 - 9 - 81)$

Step 3

Simplify the expression.

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Step 3.1

Subtract $9$ from $121$ .

$20 (112 - 81)$

Step 3.2

Subtract $81$ from $112$ .

$20 \cdot 31$

Step 3.3

Multiply $20$ by $31$ .

$620$

$620$

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