lean_workbook_plus_77405
ProvedSolve the equation
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_77405 (x : ℝ) : x^2 - 4*x - 165 = 0 ↔ x = 15 ∨ x = -11 := by sorry
Source
Solve the equation
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_77405 (x : ℝ) : x^2 - 4*x - 165 = 0 ↔ x = 15 ∨ x = -11 := by sorry