初二下册鲁教版分解因式:3(x-2y)^3-3x+6y

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初二下册鲁教版分解因式:3(x-2y)^3-3x+6y初二下册鲁教版分解因式:3(x-2y)^3-3x+6y初二下册鲁教版分解因式:3(x-2y)^3-3x+6y3(x-2y)^3-3x+6y=3(x

初二下册鲁教版分解因式:3(x-2y)^3-3x+6y
初二下册鲁教版分解因式:3(x-2y)^3-3x+6y

初二下册鲁教版分解因式:3(x-2y)^3-3x+6y
3(x-2y)^3-3x+6y
=3(x-2y)^3-3(x-2y)
=3(x-2y)[(x-2y)^2-1]
=3(x-2y)(x-2y+1)(x-2y-1)

3(x-2y)^3-3x+6y
=3(x-2y)^3-3(x-2y)
=3(x-2y)[(x-2y)^2-1]
=3(x-2y)(x-2y-1)(x-2y+1)

3(x-2y)^3-3x+6y
=3[(X-2Y)^3-(X-2Y)]
=3{(X-2Y)*[(X-2Y)^2-1]}
=3{(X-2Y)*(X-2Y+1)*(X-2Y-1))}
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