Algebra Examples

$\frac{5 x - 15}{(x - 3) (x + 3)}$

Step 1

Factor $5$ out of $5 x - 15$ .

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Step 1.1

Factor $5$ out of $5 x$ .

$\frac{5 (x) - 15}{(x - 3) (x + 3)}$

Step 1.2

Factor $5$ out of $- 15$ .

$\frac{5 x + 5 \cdot - 3}{(x - 3) (x + 3)}$

Step 1.3

Factor $5$ out of $5 x + 5 \cdot - 3$ .

$\frac{5 (x - 3)}{(x - 3) (x + 3)}$

$\frac{5 (x - 3)}{(x - 3) (x + 3)}$

Step 2

Cancel the common factor of $x - 3$ .

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Step 2.1

Cancel the common factor.

$\frac{5 (x - 3)}{(x - 3) (x + 3)}$

Step 2.2

Rewrite the expression.

$\frac{5}{x + 3}$

$\frac{5}{x + 3}$

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