Question

解方程,（1）-8x³=27（2）（x-2）³=8, 要有详细过程!

Answer 1

- 8 x ³ = 27

x ³ = - 27 / 8

x = ³√（- 27 / 8）

x = ³√（- 3 / 2）³

x = - 3 / 2

（x - 2）³ = 8

x - 2 = ³√ 8

x - 2 = ³ √ 2 ³

x - 2 = 2

x = 4