a(x-y)-2by+2bx因式分解

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a(x-y)-2by+2bx因式分解a(x-y)-2by+2bx因式分解a(x-y)-2by+2bx因式分解=a(x-y)-2b(y-x)=a(x-y)+2b(x-y)=(a+2b)(x-y)a(x-

a(x-y)-2by+2bx因式分解
a(x-y)-2by+2bx因式分解

a(x-y)-2by+2bx因式分解
=a(x-y)-2b(y-x)=a(x-y)+2b(x-y)=(a+2b)(x-y)

a(x-y)-2by+2bx因式分解
解,得:
==a(x-y)-2b(y-x)
==a(x-y)+2b(x-y)
==(x-y)(a+2b)