Algebra Examples

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

Step 1

Simplify each term.

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Step 1.1

Multiply $- 30$ by $- 7$ .

$210 - (210 (- 3))$

Step 1.2

Multiply $- (210 (- 3))$ .

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Step 1.2.1

Multiply $210$ by $- 3$ .

$210 - - 630$

Step 1.2.2

Multiply $- 1$ by $- 630$ .

$210 + 630$

$210 + 630$

$210 + 630$

Step 2

Add $210$ and $630$ .

$840$

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