Subtract polynomials: $ \, \color{blue}{ -2x+5 } \, $ , $ \, \color{orangered}{ -x-9 }$.
Answer
$$ \left( \color{blue}{-2x+5} \right) - \left( \color{orangered}{-x-9} \right) = -x+14 $$
Explanation
Step 1: Write second polynomial below the first one. Making sure like terms are lined up.
$$ \begin{array}{lrr} & -2x & 5 \\ \color{red}{ - } & -x & -9 \\ \hline \end{array} $$Step 2: Change ALL the signs in the second row.
$$ \begin{array}{lrr} & -2x & 5 \\ \color{red}{ - } & x & 9 \\ \hline \end{array} $$Step 3: Combine like terms (add each column):
$$ \begin{array}{lrr} & -2x & 5 \\ \color{red}{ - } & x & 9 \\ \hline & -3x & -4 \end{array} $$This page was created using
Polynomial Operations Calculator