Add $ \, \color{blue}{ x } \, $ and $ \, \color{orangered}{ 7x }$.
Answer
$$ \color{blue}{x} + \color{orangered}{7x} = 8x $$
Explanation
Step 1: Write second polynomial below the first one. Making sure like terms are lined up.
$$ \begin{array}{lr} & x \\ \color{blue}{ + } & 7x \\ \hline \end{array} $$Step 2: Combine like terms (add each column):
$$ \begin{array}{lr} & x \\ \color{blue}{ + } & 7x \\ \hline & 8x \end{array} $$This page was created using
Polynomial Operations Calculator