Pre-Algebra Examples

$\frac{2 x}{7 x - 21}$

Step 1

Factor $7$ out of $7 x$ .

$\frac{2 x}{7 (x) - 21}$

Step 2

Factor $7$ out of $- 21$ .

$\frac{2 x}{7 x + 7 \cdot - 3}$

Step 3

Factor $7$ out of $7 x + 7 \cdot - 3$ .

$\frac{2 x}{7 (x - 3)}$

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