4m대-m-1因式分解

2025-04-14 11:08:55
推荐回答(3个)
回答(1):

原式=4m³-m+2m-1
=m(4m²-1)+2m-1
=m(2m+1)(2m-1)+(2m-1)
=(2m²+m)(2m+1)+(2m-1)
=(2m-1)(2m²+m+1)

回答(2):

解:
4m³-m-1
= 4m³-4m²+m+4m²-1
=m(2m-1)²+(2m+1)(2m-1)
=(2m-1)(2m²-m+2m+1)
=(2m-1)(2m²+m+1)

回答(3):

我知道