因式分解:3(x-1)³y-(1-x)³z

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因式分解:3(x-1)³y-(1-x)³z

因式分解:3(x-1)³y-(1-x)³z
因式分解:3(x-1)³y-(1-x)³z

因式分解:3(x-1)³y-(1-x)³z
3(x-1)³y-(1-x)³z
=3(x-1)³y+(x-1)³z
=(x-1)³(3y+z)
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3(x-1)³y-(1-x)³z
=3(x-1)³y-[-(x-1)]³z
=3(x-1)³y+(x-)³z
=(x-1)³(3y-z)