Answer
$48x^7$
Work Step by Step
Using $x^a\cdot x^b=x^{a+b}$, the given expression, $
(4x)(2x^2)(6x^4)
,$ simplifies to
\begin{array}{l}\require{cancel}
(4)(2)(6)x^{1+2+4}
\\\\=
48x^7
.\end{array}
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