List the elements of the set {x | x ∈ ℤ and x2 < 30}

Please indicate exponentiation using " ^ ".

Assuming that  ℤ represents "real integers," 

the set elements satisfy x^2 < 30.

They are {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5}