化简(a+3b-3a)(a-2b+3c)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 14:01:39
![化简(a+3b-3a)(a-2b+3c)](/uploads/image/z/1660764-12-4.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%88a%2B3b-3a%EF%BC%89%EF%BC%88a-2b%2B3c%EF%BC%89)
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化简(a+3b-3a)(a-2b+3c)
化简(a+3b-3a)(a-2b+3c)
化简(a+3b-3a)(a-2b+3c)
a^2-2ab+3ac+3ab-6b^2+9bc-3a^2+6ab-9ac=-2a^2-6b^2-ab+9bc-6ac
a-6b2-9c2+15bc
a^2-2ab+3ac+3ab-6b^2+9bc-3a^2+6ab-9ac=-2a^2-6b^2-ab+9bc-6ac