Algebra Examples

$\frac{x + 2}{x - 4} \cdot \frac{3 x}{x + 4}$

Step 1

Multiply $\frac{x + 2}{x - 4}$ by $\frac{3 x}{x + 4}$ .

$\frac{(x + 2) (3 x)}{(x - 4) (x + 4)}$

Step 2

Simplify the expression.

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Step 2.1

Move $3$ to the left of $x + 2$ .

$\frac{3 \cdot (x + 2) x}{(x - 4) (x + 4)}$

Step 2.2

Reorder factors in $\frac{3 (x + 2) x}{(x - 4) (x + 4)}$ .

$\frac{3 x (x + 2)}{(x - 4) (x + 4)}$