Basic Math Examples

$5 x - 9 + (- 7 x + 4)$

Step 1

Remove parentheses.

$5 x - 9 - 7 x + 4$

Step 2

Subtract $7 x$ from $5 x$ .

$- 2 x - 9 + 4$

Step 3

Add $- 9$ and $4$ .

$- 2 x - 5$

Step 4

Factor $- 1$ out of $- 2 x - 5$ .

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Step 4.1

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

$- (2 x) - 5$

Step 4.2

Rewrite $- 5$ as $- 1 (5)$ .

$- (2 x) - 1 (5)$

Step 4.3

Factor $- 1$ out of $- (2 x) - 1 (5)$ .

$- (2 x + 5)$

$- (2 x + 5)$

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