3(x-2y)²+(x-2y)因式分解
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3(x-2y)²+(x-2y)因式分解3(x-2y)²+(x-2y)因式分解3(x-2y)²+(x-2y)因式分解3(x-2y)²+(x-2y)=(x-2y)[
3(x-2y)²+(x-2y)因式分解
3(x-2y)²+(x-2y)因式分解
3(x-2y)²+(x-2y)因式分解
3(x-2y)²+(x-2y)=(x-2y)[3(x-2y)+1]=(x-2y)(3x-6y+1)