-4a三次方+16a²+12a

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 17:13:15
-4a三次方+16a²+12a

-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)