Question

алгебра
m²/(m-5)² - 25/(m-5)²​

Answer 1

$\frac{ {x}^{2} }{(x - 5 {)}^{2} } - \frac{25}{ {(x - 5)}^{2} } = \\ = \frac{ {x}^{2} - 25}{ {(x - 5)}^{2} } = \\ = \frac{(x + 5)(x - 5)}{ {(x - 5)}^{2} } = \frac{x + 5}{x - 5}$

(у Вас m вместо х)