[ t2-2 ( t-3 )]

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/01 18:22:10
[t2-2(t-3)][t2-2(t-3)][t2-2(t-3)]t²-2t(t²-2t+6)=t²-2t³+4t²-12t=-2t³+5t

[ t2-2 ( t-3 )]
[ t2-2 ( t-3 )]

[ t2-2 ( t-3 )]
t²-2t(t²-2t+6)
=t²-2t³+4t²-12t
=-2t³+5t²-12t