lean_workbook_plus_1623
ProvedSolve for x:
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_1623 (x : ℝ) : x^2 - 9*x + 20 = 0 ↔ x = 4 ∨ x = 5 := by sorry
Source
Solve for x:
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_1623 (x : ℝ) : x^2 - 9*x + 20 = 0 ↔ x = 4 ∨ x = 5 := by sorry