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本文对同学们在分解因式时的几种常见错误进行了梳理,对其错因作简单剖析.一、概念不清例1分解因式:a2+3a-4.错解原式=a(a+3)-4.原因没有理解因式分解的概念,即没有
First, the concept is not clear Example 1 factorization: a2 +3 a-4. The wrong solution of the original = a ( a + 3) -4. The reason did not understand the concept of factorization, that is not