Basic Math Examples

$\frac{- 12 - (- 9)}{3}$

Step 1

Cancel the common factor of $- 12 - (- 9)$ and $3$ .

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Step 1.1

Reorder terms.

$\frac{- 12 - 9 \cdot - 1}{3}$

Step 1.2

Factor $3$ out of $- 12$ .

$\frac{3 \cdot - 4 - 9 \cdot - 1}{3}$

Step 1.3

Factor $3$ out of $- 9 \cdot - 1$ .

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

Step 1.4

Factor $3$ out of $3 (- 4) + 3 (- 3 \cdot - 1)$ .

$\frac{3 (- 4 - 3 \cdot - 1)}{3}$

Step 1.5

Cancel the common factors.

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Step 1.5.1

Factor $3$ out of $3$ .

$\frac{3 (- 4 - 3 \cdot - 1)}{3 (1)}$

Step 1.5.2

Cancel the common factor.

$\frac{3 (- 4 - 3 \cdot - 1)}{3 \cdot 1}$

Step 1.5.3

Rewrite the expression.

$\frac{- 4 - 3 \cdot - 1}{1}$

Step 1.5.4

Divide $- 4 - 3 \cdot - 1$ by $1$ .

$- 4 - 3 \cdot - 1$

$- 4 - 3 \cdot - 1$

$- 4 - 3 \cdot - 1$

Step 2

Simplify the expression.

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Step 2.1

Multiply $- 3$ by $- 1$ .

$- 4 + 3$

Step 2.2

Add $- 4$ and $3$ .

$- 1$

$- 1$

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