Simplify the expression:
−
7
x
(
−
2
x
−
7
)
−
4
(
x
+
7
)
\displaystyle -{7}{x}{\left(-{2}{x}-{7}\right)}-{4}{\left({x}+{7}\right)}
−
7
x
(
−
2
x
−
7
)
−
4
(
x
+
7
)
The expression simplifies to
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