多项式的因式分解是代数式恒等变形的重要内容,它与学习分式有着密切的联系.为帮助同学们学好这一章的内容,笔者谈以下几点供同学们在复习时参考. The factorization of polynomials is an important part of algebraic equal deformation. It is closely related to the learning fraction. To help students learn the content of this chapter, the author discusses the following points for reference by the students during their review.