4(x-y)³+y²(y-x)³因式分解
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4(x-y)³+y²(y-x)³因式分解
4(x-y)³+y²(y-x)³因式分解
4(x-y)³+y²(y-x)³因式分解
4(x-y)³+y²(y-x)³
=4(x-y)³-y²(x-y)³
=(x-y)³(4-y²)
=(x-y)³(2+y)(2-y)
4(x-y)³+y²(y-x)³因式分解
4(x-y)³+y²(y-x)³因式分解
4(x-y)³+y²(y-x)³因式分解
4(x-y)³+y²(y-x)³
=4(x-y)³-y²(x-y)³
=(x-y)³(4-y²)
=(x-y)³(2+y)(2-y)