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歡迎您訪問數學考題練習:分解因式:(p-4)(p+1)+3p=____!

數學考題練習:分解因式:(p-4)(p+1)+3p=____

更新時間:2024-01-12 16:46:17作者:貝語網校

分解因式:(p-4)(p+1)+3p=________.

試題答案

(p+2)(p-2)

試題解析

先根據多項式的乘法展開并合并同類項,再利用平方差公式分解因式.

解答:(p-4)(p+1)+3p,

=p2-3p-4+3p,

=p2-4,

=(p+2)(p-2).

點評:此題比較容易,但綜合性比較強.考查了多項式與多項式相乘、合并同類項、平方差公式的運用情況,應靈活應用.

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