(x²+y²)(x²-1+y²)-12 因式分解

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/12 20:46:28

(x²+y²)(x²-1+y²)-12 因式分解
(x²+y²)(x²-1+y²)-12 因式分解

(x²+y²)(x²-1+y²)-12 因式分解
(x²+y²)(x²-1+y²)-12
=(x²+y²)²-(x²+y²)-12
=(x²+y²-4)(x²+y²+3)