Basic Math Examples

\frac{7!}{(7 - 3)!}

$\frac{7!}{(7 - 3)!}$

Step 1

Subtract

3

$3$ from

7

$7$ .

\frac{7!}{(4)!}

$\frac{7!}{(4)!}$

Step 2

Rewrite

7!

$7!$ as

7 \cdot 6 \cdot 5 \cdot 4!

$7 \cdot 6 \cdot 5 \cdot 4!$ .

\frac{7 \cdot 6 \cdot 5 \cdot 4!}{(4)!}

$\frac{7 \cdot 6 \cdot 5 \cdot 4!}{(4)!}$

Step 3

Cancel the common factor of

4!

$4!$ .

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Step 3.1

Cancel the common factor.

$\frac{7 \cdot 6 \cdot 5 \cdot 4!}{(4)!}$

Step 3.2

Divide

$7 \cdot 6 \cdot 5$ by

$1$ .

$7 \cdot 6 \cdot 5$

$7 \cdot 6 \cdot 5$

Step 4

Multiply

$7 \cdot 6 \cdot 5$ .

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Step 4.1

Multiply

$7$ by

$6$ .

$42 \cdot 5$

Step 4.2

Multiply

$42$ by

$5$ .

$210$

$210$

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