Answer
$5x^2-19x-4$
Work Step by Step
The given expression simplifies to
\begin{array}{l}
(5x^2-14x-3)-(5x+1)
\\=
5x^2-14x-3-5x-1
\\=
5x^2+(-14x-5x)+(-3-1)
\\=
5x^2-19x-4
.\end{array}
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