Question

(x-2/3=1/9x):(x-1/9x) найдите значение выражения,при х=3

Answer 1

1)х-2/3 +1/9х=(3х²-6х+1)/9х
2)(3х²-6х+1)/9х : (х-1)/9х=(3х²-6х+1)/9х * 9х/(х-1)=(3х²-6х+1)/(х-1)
(3х²-6х+1)/(х-1)=(27-18+1)/(3-1)=10/2=5