Answer
$24n^2-46n+21$
Work Step by Step
Using $(a+b)(c+d)=ac+(ad+bc)+bd$, or the FOIL Method, the given expression, $
(4n-3)(6n-7)
,$ is equivalent to
\begin{array}{l}\require{cancel}
24n^2+(-28n-18n)+21
\\\\=
24n^2-46n+21
.\end{array}
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