Use binomial cube expansion and multiply by 1/4.
\( \begin{array}{l}\textbf{Expand and simplify:} \\ 1/4*(2x + 4)^3\end{array} \)
Choose one option:
Check each term carefully after expansion and division.
\((2x+4)^3 / 4 = 2x^3 + 12x^2 + 24x + 16\)
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