Simplify the expression:
(
−
4
z
+
5
)
(
−
z
2
−
z
−
1
)
\displaystyle {\left(-{4}{z}+{5}\right)}{\left(-{z}^{{2}}-{z}-{1}\right)}
(
−
4
z
+
5
)
(
−
z
2
−
z
−
1
)
The expression simplifies to
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