Basic Math Examples

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

Step 1

Subtract

$4$ from

$7$ .

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

Step 2

Rewrite

$7!$ as

$7 \cdot 6 \cdot 5 \cdot 4 \cdot 3!$ .

$\frac{7 \cdot 6 \cdot 5 \cdot 4 \cdot 3!}{(3)!}$

Step 3

Cancel the common factor of

$3!$ .

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Step 3.1

Cancel the common factor.

$\frac{7 \cdot 6 \cdot 5 \cdot 4 \cdot 3!}{(3)!}$

Step 3.2

Divide

$7 \cdot 6 \cdot 5 \cdot 4$ by

$1$ .

$7 \cdot 6 \cdot 5 \cdot 4$

$7 \cdot 6 \cdot 5 \cdot 4$

Step 4

Multiply

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

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Step 4.1

Multiply

$7$ by

$6$ .

$42 \cdot 5 \cdot 4$

Step 4.2

Multiply

$42$ by

$5$ .

$210 \cdot 4$

Step 4.3

Multiply

$210$ by

$4$ .

$840$

$840$

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