Question

Срочно!!!!! Помогите упростить дробь!!!

Answer 1

[x-1-(x-1)/x]:[1/(x-1)+1]=[(x²-x-x+1)/x]:(1+x-1)/(x-1)=
=(x²-2x+1)/x:[x/(x-1)]=(x-1)²(x-1)/x²=(x-1)³/x²;