Basic Math Examples

$7 - 2 (3 a - 1) + 4 a$

Step 1

Apply the distributive property.

$7 - 2 (3 a) - 2 \cdot - 1 + 4 a$

Step 2

Multiply $3$ by $- 2$ .

$7 - 6 a - 2 \cdot - 1 + 4 a$

Step 3

Multiply $- 2$ by $- 1$ .

$7 - 6 a + 2 + 4 a$

Step 4

Add $7$ and $2$ .

$- 6 a + 9 + 4 a$

Step 5

Add $- 6 a$ and $4 a$ .

$- 2 a + 9$

Step 6

Factor $- 1$ out of $- 2 a + 9$ .

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Step 6.1

Factor $- 1$ out of $- 2 a$ .

$- (2 a) + 9$

Step 6.2

Rewrite $9$ as $- 1 (- 9)$ .

$- (2 a) - 1 (- 9)$

Step 6.3

Factor $- 1$ out of $- (2 a) - 1 (- 9)$ .

$- (2 a - 9)$

$- (2 a - 9)$

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