x²+2yz-xy-2xz 用分组分解法因式分解

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 13:53:25
x²+2yz-xy-2xz 用分组分解法因式分解
x)PS64~ۨފJ aTQ|ʊmw?<OC6IEd/`I[nE6PZ!Q[mTQ[, 10HUi$AlkPPV)vSb

x²+2yz-xy-2xz 用分组分解法因式分解
x²+2yz-xy-2xz 用分组分解法因式分解

x²+2yz-xy-2xz 用分组分解法因式分解
x²+2yz-xy-2xz
=x²-xy+2yz-2xz
=x(x-y)+2z(y-x)
=x(x-y)-2z(x-y)
=(x-y)(x-2z)

x²+2yz-xy-2xz
=x²-xy-(2xz-2yz)
=x(x-y)-2z(x-y)
=(x-y)(x-2z)

x²+2yz-xy-2xz
=x(x-y)+2z(y-x)
=(x-y)(x-2z)