Verified answer

Ответ:

Объяснение:

(x²+11x-12)/(x³+14x²+24x)=(x²-x+12x-12)/(x*(x²+14x+24)=

=(x*(x-1)+12*(x-1))/(x*(x²+12x+2x+24))=(x-1)*(x+12)/(x*(x+12)+2*(x+12))=

=(x-1)*(x+12)/(x*(x+12)*(x+2))=(x-1)/(x*(x+2)).