(x-y)³×(x-y)²×(y-x)=

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(x-y)³×(x-y)²×(y-x)=
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(x-y)³×(x-y)²×(y-x)=
(x-y)³×(x-y)²×(y-x)=

(x-y)³×(x-y)²×(y-x)=