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现行数学教科书(人教版)关于因式分解这部分内容课时不多,只要求会用提公因式法和公式法(平方差公式和完全平方公式)两种方法.对分组分解法和十字相乘法则不作要求,教科书只在选学栏目中介绍了一
The current mathematics textbook (PEP) does not have much time for factoring this part of the content. It only requires the use of the public factor method and the formula method (square difference formula and full square formula). The multiplication rule is not required. The textbook is only described in the selection section.