(X-Y)3-4(X-Y)2+4(X-Y)因式分解大神求解括号后数字为幂

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(X-Y)3-4(X-Y)2+4(X-Y)因式分解大神求解括号后数字为幂(X-Y)3-4(X-Y)2+4(X-Y)因式分解大神求解括号后数字为幂(X-Y)3-4(X-Y)2+4(X-Y)因式分解大神求

(X-Y)3-4(X-Y)2+4(X-Y)因式分解大神求解括号后数字为幂
(X-Y)3-4(X-Y)2+4(X-Y)因式分解大神求解
括号后数字为幂

(X-Y)3-4(X-Y)2+4(X-Y)因式分解大神求解括号后数字为幂
=(x-y)[(x-y)2-4(x-y)+4]
=(x-y)(x-y+2)2
和你一样~括号后数字为幂