Question

упростить уравнение (25-(х-1)^2)/(x^2-36)

Answer 1

(25-x²+2x-1)/(x²-36)=-(x²-2x-24)/(x²-36)=-(x-6)(x+4)/(x-6)(x+6)=-(x+4)/(x+6)

Answer 2

Можно так
$\frac{25-(x-1)^2}{x^2-36}= \frac{(5-x+1)(5+x-1)}{(x-6)(x+6)}=\frac{(6-x)(4+x)}{(x-6)(x+6)}=-\frac{4+x}{x+6};$