因式分解:a³-5a²-24a 4x²-3x-10 x²-(2m-1)x+m²-m
问题描述:
因式分解:a³-5a²-24a 4x²-3x-10 x²-(2m-1)x+m²-m
答
a³-5a²-24a
=a(a²-5a-24)
=a(a-8)(a+3)
4x²-3x-10
=(x-2)(4x+5)
x²-(2m-1)x+m²-m
=(x-m)(x-m+1)