求一道因式分解题步骤和答案、加急~(xy+1)(x+1)(y+1)+xy=(xy+1)(xy+x+y+1)+xy

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求一道因式分解题步骤和答案、加急~(xy+1)(x+1)(y+1)+xy=(xy+1)(xy+x+y+1)+xy

求一道因式分解题步骤和答案、加急~(xy+1)(x+1)(y+1)+xy=(xy+1)(xy+x+y+1)+xy
求一道因式分解题步骤和答案、加急~(xy+1)(x+1)(y+1)+xy=(xy+1)(xy+x+y+1)+xy

求一道因式分解题步骤和答案、加急~(xy+1)(x+1)(y+1)+xy=(xy+1)(xy+x+y+1)+xy
(xy+1)(x+1)(y+1)+xy=(xy+1)(xy+x+y+1)+xy
=(xy+1)(xy+1)+(x+y)(xy+1)+xy
=[(xy+1)+x][(xy+1)+y]
;;;应该比较清楚了吧