Question

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Ответ:

-         1

+        5

Объяснение:

Answer 2

$\frac{(x-1)^{2}}{x^{2}+4x-5 }=\frac{(x-1)^{2}}{(x-1)(x+5)}=\boxed{\frac{x-1}{x+5}}$