Add $ \, \color{blue}{ 5x^3-5x-1 } \, $ and $ \, \color{orangered}{ 5x+6 }$.
Answer
$$ \left( \color{blue}{5x^3-5x-1} \right) + \left( \color{orangered}{5x+6} \right) = 5x^3+5 $$
Explanation
Step 1: Write second polynomial below the first one. Making sure like terms are lined up.
$$ \begin{array}{lrrr} & 5x^3 & -5x & -1 \\ \color{blue}{ + } & & 5x & 6 \\ \hline \end{array} $$Step 2: Combine like terms (add each column):
$$ \begin{array}{lrrr} & 5x^3 & -5x & -1 \\ \color{blue}{ + } & & 5x & 6 \\ \hline & 5x^3 & & 5 \end{array} $$This page was created using
Polynomial Operations Calculator