分解因式:m³-2m²-4m+8
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 09:48:55
![分解因式:m³-2m²-4m+8](/uploads/image/z/4034643-51-3.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%EF%BC%9Am%26%23179%3B-2m%26%23178%3B-4m%2B8)
分解因式:m³-2m²-4m+8
分解因式:m³-2m²-4m+8
分解因式:m³-2m²-4m+8
m³-2m²-4m+8
=m²(m-2)-4(m-2)
=(m-2)(m²-4)
=(m-2)(m+2)(m-2)
=(m+2)(m-2)²
(m-2)·(m²-4)
m³ - 2m² - 4m + 8
= 1 2
4 8
= (m - 2)(m² - 4)
= (m - 2)(m - 2)(m + 2)
= (m - 2)² (m + 2)