因式分解：a³-5a²-24a 4x²-3x-10 x²-（2m-1）x+m²-m

题目

因式分解：a³-5a²-24a 4x²-3x-10 x²-（2m-1）x+m²-m

答案

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)