Simplify 9/(15a-15)

$\frac{9}{15 a - 15}$

Step 1

Cancel the common factor of $9$ and $15 a - 15$ .

Factor $3$ out of $9$ .

$\frac{3 (3)}{15 a - 15}$

Cancel the common factors.

Factor $3$ out of $15 a$ .

$\frac{3 (3)}{3 (5 a) - 15}$

Factor $3$ out of $- 15$ .

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

Factor $3$ out of $3 (5 a) + 3 (- 5)$ .

$\frac{3 (3)}{3 (5 a - 5)}$

Cancel the common factor.

$\frac{3 \cdot 3}{3 (5 a - 5)}$

Rewrite the expression.

$\frac{3}{5 a - 5}$

$\frac{3}{5 a - 5}$

$\frac{3}{5 a - 5}$

Step 2

Factor $5$ out of $5 a - 5$ .

Factor $5$ out of $5 a$ .

$\frac{3}{5 (a) - 5}$

Factor $5$ out of $- 5$ .

$\frac{3}{5 (a) + 5 (- 1)}$

Factor $5$ out of $5 (a) + 5 (- 1)$ .

$\frac{3}{5 (a - 1)}$

$\frac{3}{5 (a - 1)}$

Related Questions