Answer
$$6x^3-24x^2+26x-4.$$
Work Step by Step
We simplify by distributing as follows:
$$ (3x^2 - 6x + 1)(2x -4) = (3x^2 - 6x + 1)(2x)+ (3x^2 - 6x + 1)(-4)\\ =6x^3-12x^2+2x-12x^2+24x-4\\ =6x^3-24x^2+26x-4.$$
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