Answer
$30,240$
Work Step by Step
Using order of operations, the given expression, $
10\cdot9\cdot8\cdot7\cdot6
,$ is equivalent toFactoring the $GCF=3,$ the given expression, $
3x^2-75
,$ is equivalent to
\begin{align*}\require{cancel}
&
10\cdot9\cdot8\cdot7\cdot6
\\&=
90\cdot8\cdot7\cdot6
\\&=
720\cdot7\cdot6
\\&=
5040\cdot6
\\&=
30240
.\end{align*}
Hence, the given expression simplifies to $
30,240
.$