2(x-3)的3次方+18=2

问题描述:

2(x-3)的3次方+18=2

2(x-3)³+18=2
(X-3)³+9=1
(X-3)³=-8
x-3=-2
x=1

2(x-3)³+18=2
2(x-3)³=2-18
2(x-3)³=-16
(x-3)³=-8
x-3=-2
x=1