freeCodeCamp/guide/chinese/mathematics/factoring-quadratics/index.md

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---
title: Factoring Quadratics
localeTitle: 保理二次方
---
## 保理二次方
对于函数fx= x ^ 2 + 2x + 1因式形式为fx=x + 1x + 1或fx=x + 1^ 2
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