(x-1)的立方-8=0

问题描述:

(x-1)的立方-8=0

解(x-1)的立方-8=0
即(x-1)的立方=8
即(x-1)的立方=2^3
即x-1=2
解得x=3

(x-1)³-8=0
(x-1)³=8
x-1=³√8
x-1=2
x=3

(x-1)³-8=0
(x-1)³=8
x-1=2
x=3
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(x-1)的立方-8=0
(x-1)的立方=8
x-1=2
x=3