-4a三次方+16a²+12a
来源：学生作业帮助网 编辑：六六作业网 时间：2025/01/11 13:21:51
-4a三次方+16a²+12a-4a三次方+16a²+12a-4a三次方+16a²+12a=-4a(a²-4a-3)-4a³+16a²+12
-4a三次方+16a²+12a
-4a三次方+16a²+12a
-4a三次方+16a²+12a
=-4a(a²-4a-3)
-4a³+16a²+12a=-4a(a²-4a-3)
-4a³+16a²-12a
=-4a(a²-4a+3)
=-4a(a-1)(a-3)