Basic Math Examples

- | 3 (4.2) - 3 \cdot - 3 |

$- | 3 (4.2) - 3 \cdot - 3 |$

Step 1

Simplify each term.

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Step 1.1

Multiply

3

$3$ by

4.2

$4.2$ .

- | 12.6 - 3 \cdot - 3 |

$- | 12.6 - 3 \cdot - 3 |$

Step 1.2

Multiply

- 3

$- 3$ by

- 3

$- 3$ .

- | 12.6 + 9 |

$- | 12.6 + 9 |$

- | 12.6 + 9 |

$- | 12.6 + 9 |$

Step 2

Add

12.6

$12.6$ and

9

$9$ .

- | 21.6 |

$- | 21.6 |$

Step 3

The absolute value is the distance between a number and zero. The distance between

0

$0$ and

21.6

$21.6$ is

21.6

$21.6$ .

- 1 \cdot 21.6

$- 1 \cdot 21.6$

Step 4

Multiply

- 1

$- 1$ by

21.6

$21.6$ .

- 21.6

$- 21.6$

⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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