Question

How do you solve `4x^(2/3) - 5 = 20`?

Answer 1

`x=125/8`

Explanation:

`4x^(2/3)-5=20`

`4x^(2/3)=25`

`x^(2/3)=25/4`

`x=(25/4)^(3/2)`

`x=(5^2/2^2)^(3/2)`

`x=(5/2)^(3)`

`x=125/8`