将下列式子因式分解:x-x²-y+y²=
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/23 04:35:56
将下列式子因式分解:x-x²-y+y²=
将下列式子因式分解:x-x²-y+y²=
将下列式子因式分解:x-x²-y+y²=
x-x²-y+y²
=x-y-(x^2-y^2)
=(x-y)-(x-y)(x+y)
=(x-y)(1-x-y)
x-x²-y+y²=(x-y)-(x²-y²)=(x-y)-(x-y)(x+y)=(x-y)-(1-x-y)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/10/23 04:35:56
将下列式子因式分解:x-x²-y+y²=
将下列式子因式分解:x-x²-y+y²=
将下列式子因式分解:x-x²-y+y²=
x-x²-y+y²
=x-y-(x^2-y^2)
=(x-y)-(x-y)(x+y)
=(x-y)(1-x-y)
x-x²-y+y²=(x-y)-(x²-y²)=(x-y)-(x-y)(x+y)=(x-y)-(1-x-y)