a³-a²+1/4a 因式分解,快,
问题描述：
a³-a²+1/4a 因式分解,快,
答
a³-a²+1/4a
a(a²-a+¼)
=a(a-½)²
a³-a²+1/4a 因式分解,快,
a³-a²+1/4a
a(a²-a+¼)
=a(a-½)²