Basic Math Examples

${(20)}^{2} - 4$ , $0 (20) + 630$

Step 1

Raise $20$ to the power of $2$ .

$400 - 4, 0 (20) + 630$

Step 2

Subtract $4$ from $400$ .

$396, 0 (20) + 630$

Step 3

Multiply $0$ by $20$ .

$396, 0 + 630$

Step 4

Add $0$ and $630$ .

$396, 630$

Step 5

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{396 + 630}{2}$

Step 6

Cancel the common factor of $396 + 630$ and $2$ .

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Step 6.1

Factor $2$ out of $396$ .

$\frac{2 \cdot 198 + 630}{2}$

Step 6.2

Factor $2$ out of $630$ .

$\frac{2 \cdot 198 + 2 \cdot 315}{2}$

Step 6.3

Factor $2$ out of $2 \cdot 198 + 2 \cdot 315$ .

$\frac{2 \cdot (198 + 315)}{2}$

Step 6.4

Cancel the common factors.

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Step 6.4.1

Factor $2$ out of $2$ .

$\frac{2 \cdot (198 + 315)}{2 (1)}$

Step 6.4.2

Cancel the common factor.

$\frac{2 \cdot (198 + 315)}{2 \cdot 1}$

Step 6.4.3

Rewrite the expression.

$\frac{198 + 315}{1}$

Step 6.4.4

Divide $198 + 315$ by $1$ .

$198 + 315$

$198 + 315$

$198 + 315$

Step 7

Add $198$ and $315$ .

$513$

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