2x³=16 ,3(x-1)²-27=0 求x ,

2x³=16 ,3(x-1)²-27=0 求x ,
2x³=16 ,3(x-1)²-27=0 求x ,

2x³=16 ,3(x-1)²-27=0 求x ,
2x³=16
2x³=2^4
x³=2³
x=2
3(x-1)²-27=0
3(x-1)²=27
3(x-1)²=3³
(x-1)²=3²
x-1=3
x=4

x=2 x=4
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