2a(b-c)²-3b+3c=

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/28 08:13:02
2a(b-c)²-3b+3c=
x)3JHMTS645N6NI*._`gC=sѤrɃetc`QbQb~qAb96;

2a(b-c)²-3b+3c=
2a(b-c)²-3b+3c=

2a(b-c)²-3b+3c=
2a(b-c)²-3b+3c
=2a(b-c)²-3(b-c)
=(b-c)[2a(b-c)-3]
=(b-c)(2ab-2ac-3)