2(1-x)^2+6a(x-1)^3怎么化简?是怎么化到2(1-x)^2{1+3a(x-1)}的?
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2(1-x)^2+6a(x-1)^3怎么化简?是怎么化到2(1-x)^2{1+3a(x-1)}的?2(1-x)^2+6a(x-1)^3怎么化简?是怎么化到2(1-x)^2{1+3a(x-1)}的?2(
2(1-x)^2+6a(x-1)^3怎么化简?是怎么化到2(1-x)^2{1+3a(x-1)}的?
2(1-x)^2+6a(x-1)^3怎么化简?是怎么化到2(1-x)^2{1+3a(x-1)}的?
2(1-x)^2+6a(x-1)^3怎么化简?是怎么化到2(1-x)^2{1+3a(x-1)}的?
解
2(1-x)²+6a(x-1)³
=2(x-1)²+6a(x-1)³
=2(x-1)²[1+3a(x-1)]
=2(x-1)²(3ax-3a+1)
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