x²+2yz-xy-2xz 用分组分解法因式分解
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![x²+2yz-xy-2xz 用分组分解法因式分解](/uploads/image/z/3776240-56-0.jpg?t=x%26%23178%3B%EF%BC%8B2yz%EF%BC%8Dxy%EF%BC%8D2xz+%E7%94%A8%E5%88%86%E7%BB%84%E5%88%86%E8%A7%A3%E6%B3%95%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3)
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)