因式分解x²(x-2y)+y²(2y-x) 求各位大哥大姐帮我解答,.
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因式分解x²(x-2y)+y²(2y-x) 求各位大哥大姐帮我解答,.
x²(x-2y)+y²(2y-x)
=x²(x-2y)-y²(x-2y)
=(x-2y)(x²-y²)
=(x-2y)(x+y)(x-y)
请点击下面的【选为满意回答】按钮.
因式分解x²(x-2y)+y²(2y-x) 求各位大哥大姐帮我解答,.
x²(x-2y)+y²(2y-x)
=x²(x-2y)-y²(x-2y)
=(x-2y)(x²-y²)
=(x-2y)(x+y)(x-y)
请点击下面的【选为满意回答】按钮.