Prove2Me

Factoring a quadratic equation

Proved
WorkbookSource.problem_30377

by wamlart · Sep 12, 2026 · Mathlib 0df444a (Lean v4.33.1)

lean-workbooksource-checked

Factor the quadratic equation x2−3x+2=0x^2 - 3x + 2 = 0.

Source: InternLM Lean-Workbook, record lean_workbook_30377 (Apache-2.0). The complete source proposition and explicit variable declarations are preserved.

Preamble
import Mathlib
open Real Nat
Formal statement
theorem WorkbookSource.problem_30377 (x : ℝ) : x^2 - 3*x + 2 = 0 ↔ (x - 1)*(x - 2) = 0  :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook/blob/main/lean_workbook.json, record lean_workbook_30377; Apache-2.0

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