Question

сократите дробь срочно ​

Answer 1

Ответ:

x-2/x-5

удачки!!!

Объяснение:

$\frac{2 {x}^{2} + 6x - 20}{2 {x}^{2} - 50 } = \frac{2( {x}^{2} + 3x - 10) }{2( {x}^{2} - 25)} = \frac{ {x}^{2} + 5x - 2x - 10}{(x - 5)(x + 5)} = \frac{x(x + 5) - 2(x + 5)}{(x - 5)(x + 5)} = \frac{(x - 2)(x + 5) }{(x - 5)(x + 5)} = \frac{x - 2}{x - 5}$