(x-y)(x2+xy+y2)-xy(y-x)
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(x-y)(x2+xy+y2)-xy(y-x)
(x-y)(x2+xy+y2)-xy(y-x)
(x-y)(x2+xy+y2)-xy(y-x)
(x-y)(x2+xy+y2)-xy(y-x)
=(x-y)(x²+xy+y²+xy)
=(x-y)(x+y)²
原式=(x-y)(x2+xy+y2)+xy(x-y)
=(x-y)(x²+xy+y²+xy)
=(x-y)(x+y)²
您好:
(x-y)(x2+xy+y2)-xy(y-x)
=(x-y)(x²+xy+y²+xy)
=(x-y)(x+y)²
如果本题有什么不明白可以追问,如果满意请点击“选为满意答案”
如果有其他问题请采纳本题后另发点击向我求助,答题不易,请谅解,谢谢。
祝学习进步!...
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您好:
(x-y)(x2+xy+y2)-xy(y-x)
=(x-y)(x²+xy+y²+xy)
=(x-y)(x+y)²
如果本题有什么不明白可以追问,如果满意请点击“选为满意答案”
如果有其他问题请采纳本题后另发点击向我求助,答题不易,请谅解,谢谢。
祝学习进步!
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