✔ 最佳答案
Suspect you mean question to read , not as written, but as :-
1 / (x - 1) + 4 / (4x - 4) = 2
4x - 4 + 4 (x - 1) = 2 (x - 1)(4x - 4)
8x - 8 = 2 (4x² - 8x + 4)
8x - 8 = 8x² - 16x + 8
x - 1 = x² - 2x + 1
x² - 3x + 2 = 0
(x - 2)(x - 1) = 0
x = 2 , x = 1
PS
Remember brackets !!!