Question

помогите с алгеброй пллку                 

Answer 1

√x = 7
x = 7^2
x = 49

∛x = -3
x = (-3)^3
x = -27

√√x = 1
x = 1

∛x = 2
x = 2^3
x = 8

√x = 2
x = 4

∛(1-3*x) = 0
1-3*x = 0
x = 1/3

√√(2-x) = 0
2-x = 0
x = 2