2m^3-3m+1如何因式分解

2025-06-27 21:26:37
推荐回答(1个)
回答1:

2m^3-3m+1
=2m³-2m-(m-1)
=2m(m²-1)-(m-1)
=2m(m+1)(m-1)-(m-1)
=(m-1)[2m(m+1)-1]
=(m-1)(2m²+2m-1)