Answer
$4x(5x^3-6x^2+7x-3)$.
Work Step by Step
The given expression is
$=20x^4-24x^3+28x^2-12x$
The GCF of the terms in the given expression is $4x$.
Factor out the GCF $4x$ from each term.
$=4x(5x^3-6x^2+7x-3)$.
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