(X-1)的三次方=负8 （X+1）的2次方=25
问题描述：
(X-1)的三次方=负8 （X+1）的2次方=25
答
(x - 1)³ = -8
x - 1 = -2
x = -2 + 1
x = -1
(x + 1)² = 25
x + 1 = 5 或 x + 1 = -5
x = 5 - 1 或 x = -5 - 1
x = 4 或 x = -6