Chemistry Examples

$- 2 \cdot 2 + 4 (- 2) + 5$

Step 1

Simplify each term.

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Step 1.1

Multiply $- 2$ by $2$ .

$- 4 + 4 (- 2) + 5$

Step 1.2

Multiply $4$ by $- 2$ .

$- 4 - 8 + 5$

$- 4 - 8 + 5$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Subtract $8$ from $- 4$ .

$- 12 + 5$

Step 2.2

Add $- 12$ and $5$ .

$- 7$

$- 7$

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