3a的3次方-6a的平方+3a
问题描述:
3a的3次方-6a的平方+3a
答
3a³-6a²+3a
=3a(a²-2a+1)
=3a(a-1)²
3a的3次方-6a的平方+3a
3a³-6a²+3a
=3a(a²-2a+1)
=3a(a-1)²