Basic Math Examples

$10 + 4 k - 9 k + 9$

Step 1

Add $10$ and $9$ .

$4 k - 9 k + 19$

Step 2

Subtract $9 k$ from $4 k$ .

$- 5 k + 19$

Step 3

Factor $- 1$ out of $- 5 k + 19$ .

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Step 3.1

Factor $- 1$ out of $- 5 k$ .

$- (5 k) + 19$

Step 3.2

Rewrite $19$ as $- 1 (- 19)$ .

$- (5 k) - 1 (- 19)$

Step 3.3

Factor $- 1$ out of $- (5 k) - 1 (- 19)$ .

$- (5 k - 19)$

$- (5 k - 19)$

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