Basic Math Examples

\frac{- 9^{2} + 21}{- 3}

$\frac{- 9^{2} + 21}{- 3}$

Step 1

Simplify the numerator.

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Step 1.1

Raise

9

$9$ to the power of

2

$2$ .

\frac{- 1 \cdot 81 + 21}{- 3}

$\frac{- 1 \cdot 81 + 21}{- 3}$

Step 1.2

Multiply

- 1

$- 1$ by

81

$81$ .

\frac{- 81 + 21}{- 3}

$\frac{- 81 + 21}{- 3}$

Step 1.3

Add

- 81

$- 81$ and

21

$21$ .

\frac{- 60}{- 3}

$\frac{- 60}{- 3}$

\frac{- 60}{- 3}

$\frac{- 60}{- 3}$

Step 2

Divide

- 60

$- 60$ by

- 3

$- 3$ .

20

$20$

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

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