lean_workbook_plus_34709
ProvedSolve the equation for in real numbers.
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_34709 (a x : ℝ) : (x + a ^ 3 - a) * ((x + (1 / 2) * (2 * a ^ 3 + a)) ^ 2 + (3 / 4) * a ^ 2 + 1) = 0 ↔ x = a - a ^ 3 := by sorry
Source