Use the rule for order of operations to simplify the expression as much as possible:
4
[
7
+
2
(
5
⋅
2
−
8
)
]
=
\displaystyle {4}{\left[{7}+{2}{\left({5}\cdot{2}-{8}\right)}\right]}=
4
[
7
+
2
(
5
⋅
2
−
8
)
]
=
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