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31 votes
31 votes
How do I find the sum of this equation and express it in simplest form
( {n}^(3) - 5n - 2) + (4 {n}^(3) + n - 4)

User Jphorta
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1 Answer

21 votes
21 votes

(n^{3\text{ }}-5n-2)+(4n^3+n-4\text{)}
\begin{gathered} \text{collect like terms} \\ n^3-5n-2+4n^3\text{ + n - 4} \\ n^3+4n^3\text{ - 5n + n - 2 - 4} \\ 5n^{3\text{ }}-\text{ 4n - 6} \\ \end{gathered}

User Thumbtackthief
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