求x的值.(1)27x³=125(2) (x-1)³=﹣216

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求x的值.(1)27x³=125(2) (x-1)³=﹣216

求x的值.(1)27x³=125(2) (x-1)³=﹣216
求x的值.
(1)27x³=125
(2) (x-1)³=﹣216

求x的值.(1)27x³=125(2) (x-1)³=﹣216
(1)27x³=125
x³=125/27
x=5/3
(2) (x-1)³=﹣216
(x-1)³=(﹣6)³
x=-5

1. x^3=125/27
x=5/3
2. x-1=-6
x=-5
望采纳

(1)x=125/27
(2)x=-215

(1)x³=125/27 X=5/3
(2)X-1=6 X=7