把下列各式因式分解
(x+y)²-(x+y)三次方(x-y)²-(x-y)三次方(x-y)²-(y-x)三次方2(x-y)-3(y-x)²4ab(a+...
(x+y)²-(x+y)三次方
(x-y)²-(x-y)三次方
(x-y)²-(y-x)三次方
2(x-y)-3(y-x)²
4ab(a+b)²-6a²b(a+b) 展开
(x-y)²-(x-y)三次方
(x-y)²-(y-x)三次方
2(x-y)-3(y-x)²
4ab(a+b)²-6a²b(a+b) 展开
1个回答
展开全部
(x+y)²-(x+y)三次方
=(x+y)²[1-(x+y)]
=(x+y)²(1-x-y)
(x-y)²-(x-y)三次方
=(x-y)²[1-(x-y)]
=(x-y)²(1-x+y)
(x-y)²-(y-x)三次方
=(x-y)²+(x-y)³
=(x-y)²(1+x-y)
2(x-y)-3(y-x)²
=2(x-y)-3(x-y)²
=(x-y)[2-3(x-y)]
=(x-y)(2-3x+3y)
4ab(a+b)²-6a²b(a+b)
=2ab(a+b)(2-3a)
=(x+y)²[1-(x+y)]
=(x+y)²(1-x-y)
(x-y)²-(x-y)三次方
=(x-y)²[1-(x-y)]
=(x-y)²(1-x+y)
(x-y)²-(y-x)三次方
=(x-y)²+(x-y)³
=(x-y)²(1+x-y)
2(x-y)-3(y-x)²
=2(x-y)-3(x-y)²
=(x-y)[2-3(x-y)]
=(x-y)(2-3x+3y)
4ab(a+b)²-6a²b(a+b)
=2ab(a+b)(2-3a)
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