Question

2+x$2 + x^{2} = 18$inverse operation

Answer 1

You have the following equation:

2 + x³ = 18

In order to solve the previous equation, proceed as follow:

2 + x³ = 18 subtract 2 both sides

x³ = 18 - 2

x³ = 16 apply cube root both sides

x = ∛16

Hence, the answer is

x = ∛16