Multiply and simplify completely:
5
x
2
(
4
x
2
−
2
x
−
4
)
\displaystyle {5}{x}^{{2}}{\left({4}{x}^{{2}}-{2}{x}-{4}\right)}
5
x
2
(
4
x
2
−
2
x
−
4
)
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Question 6
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