因式分解(a²-b²-c²)²-4b²c²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 11:41:35
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因式分解(a²-b²-c²)²-4b²c²
因式分解(a²-b²-c²)²-4b²c²
因式分解(a²-b²-c²)²-4b²c²
(a²-b²-c²)²-4b²c²
=(a²-b²-c²+2bc)(a²-b²-c²-2bc)
=[a²-(b-c)²][a²-(b+c)²]
=(a+b-c)(a-b+c)*(a+b+c)(a-b-c)