Basic Math Examples

12

$12$ ,

18

$18$ ,

24

$24$

Step 1

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

\frac{12 + 18 + 24}{3}

$\frac{12 + 18 + 24}{3}$

Step 2

Cancel the common factor of

12 + 18 + 24

$12 + 18 + 24$ and

3

$3$ .

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Step 2.1

Factor

3

$3$ out of

12

$12$ .

\frac{3 \cdot 4 + 18 + 24}{3}

$\frac{3 \cdot 4 + 18 + 24}{3}$

Step 2.2

Factor

3

$3$ out of

18

$18$ .

\frac{3 \cdot 4 + 3 \cdot 6 + 24}{3}

$\frac{3 \cdot 4 + 3 \cdot 6 + 24}{3}$

Step 2.3

Factor

3

$3$ out of

3 \cdot 4 + 3 \cdot 6

$3 \cdot 4 + 3 \cdot 6$ .

\frac{3 \cdot (4 + 6) + 24}{3}

$\frac{3 \cdot (4 + 6) + 24}{3}$

Step 2.4

Factor

3

$3$ out of

24

$24$ .

\frac{3 \cdot (4 + 6) + 3 \cdot 8}{3}

$\frac{3 \cdot (4 + 6) + 3 \cdot 8}{3}$

Step 2.5

Factor

3

$3$ out of

3 \cdot (4 + 6) + 3 (8)

$3 \cdot (4 + 6) + 3 (8)$ .

\frac{3 \cdot (4 + 6 + 8)}{3}

$\frac{3 \cdot (4 + 6 + 8)}{3}$

Step 2.6

Cancel the common factors.

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Step 2.6.1

Factor

3

$3$ out of

3

$3$ .

\frac{3 \cdot (4 + 6 + 8)}{3 (1)}

$\frac{3 \cdot (4 + 6 + 8)}{3 (1)}$

Step 2.6.2

Cancel the common factor.

$\frac{3 \cdot (4 + 6 + 8)}{3 \cdot 1}$

Step 2.6.3

Rewrite the expression.

$\frac{4 + 6 + 8}{1}$

Step 2.6.4

Divide

$4 + 6 + 8$ by

$1$ .

$4 + 6 + 8$

$4 + 6 + 8$

$4 + 6 + 8$

Step 3

Simplify by adding numbers.

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Step 3.1

Add

$4$ and

$6$ .

$10 + 8$

Step 3.2

Add

$10$ and

$8$ .

$18$

$18$

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