Basic Math Examples

(- 30 \cdot - 7) - (210 (- 3))

$(- 30 \cdot - 7) - (210 (- 3))$

Step 1

Simplify each term.

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Step 1.1

Multiply

- 30

$- 30$ by

- 7

$- 7$ .

210 - (210 (- 3))

$210 - (210 (- 3))$

Step 1.2

Multiply

- (210 (- 3))

$- (210 (- 3))$ .

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Step 1.2.1

Multiply

210

$210$ by

- 3

$- 3$ .

210 - - 630

$210 - - 630$

Step 1.2.2

Multiply

- 1

$- 1$ by

- 630

$- 630$ .

210 + 630

$210 + 630$

210 + 630

$210 + 630$

210 + 630

$210 + 630$

Step 2

Add

210

$210$ and

630

$630$ .

840

$840$

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

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