m²-4m因式分解还有一题(x²+y²)²-4x²y²
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/25 16:53:38
m²-4m因式分解还有一题(x²+y²)²-4x²y²m²-4m因式分解还有一题(x²+y²)²-4
m²-4m因式分解还有一题(x²+y²)²-4x²y²
m²-4m因式分解
还有一题
(x²+y²)²-4x²y²
m²-4m因式分解还有一题(x²+y²)²-4x²y²
m²-4m
=m(m-4)
(x²+y²)²-4x²y²
=(x²+y²+2xy)(x²+y²-2xy)
=[(x+y)(x-y)]²