Let's solve in ℝ: x3 -x = 0 You can write the expression: x3 -x in factored form: x·(x2 -1) Solution found: x = 0 Let's solve in ℝ: x2 -1 = 0 Solutions obtained: x = { -1, 1 } ▷Answer: x = { -1, 0, 1 }