Algebra Examples

$13 x - 13 y - 8 y + 8 x$

Step 1

Add $13 x$ and $8 x$ .

$21 x - 13 y - 8 y$

Step 2

Subtract $8 y$ from $- 13 y$ .

$21 x - 21 y$

Step 3

Factor $21$ out of $21 x - 21 y$ .

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Step 3.1

Factor $21$ out of $21 x$ .

$21 (x) - 21 y$

Step 3.2

Factor $21$ out of $- 21 y$ .

$21 (x) + 21 (- y)$

Step 3.3

Factor $21$ out of $21 (x) + 21 (- y)$ .

$21 (x - y)$

$21 (x - y)$

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