(a²-b²)²+3(a²-b²)-18

来源:学生作业学帮网 编辑:学帮网 时间:2024/07/08 01:26:21

(a²-b²)²+3(a²-b²)-18

是要因式分解么?
=(a²-b²+6)(a²-b²-3)