Use the rule for order of operations to simplify the expression as much as possible:
5
[
2
+
4
(
3
⋅
9
−
9
)
]
=
\displaystyle {5}{\left[{2}+{4}{\left({3}\cdot{9}-{9}\right)}\right]}=
5
[
2
+
4
(
3
⋅
9
−
9
)
]
=
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