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