Question

Cпроcтіть вираз.
Дам 100б.

Answer 1

Ответ:

$\frac{3a}{a - 4} - \frac{a + 2}{5(a - 4)} \times \frac{240}{a \times (a + 2)}$

$\frac{3a}{a - 4} - \frac{1}{a - 4} \times \frac{48}{a}$

$\frac{3a}{a - 4} - \frac{48}{a \times (a - 4)}$

$\frac{3a {}^{2} - 48 }{a \times (a - 4}$

$\frac{3(a {}^{2} - 16)}{a \times (a - 4)}$

$\frac{3(a - 4) \times (a + 4)}{a \times (a - 4)}$

$\frac{3(a + 4)}{a}$

$\frac{3a + 12}{a}$