把2x³-5x²+1因式分解

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/23 04:47:25
把2x³-5x²+1因式分解把2x³-5x²+1因式分解把2x³-5x²+1因式分解原式=2x³-4x²-2x-x

把2x³-5x²+1因式分解
把2x³-5x²+1因式分解

把2x³-5x²+1因式分解
原式=2x³-4x²-2x-x²+2x+1
=2x(x²-2x-1)-(x²-2x-1)
=(2x-1)(x²-2x-1)

(2x-1)(x²-2x-1)