因式分解 a的三次方-a

2025-04-10 14:32:23
推荐回答(4个)
回答1:

原式=a(a²-1)=a(a+1)(a-1)

回答2:

a³-a
=a(a²-1)
=a(a+1)(a-1)

回答3:

a^3-1
=a(a^2-1)
=a(1+a)(a-1)

回答4:

原式=a(a²-1)
=a(a+1)(a-1)