IDNLearn.com: Where questions are met with accurate and insightful answers. Discover prompt and accurate answers from our community of experienced professionals.
We have to add the expressions, grouping by similar terms:
[tex]\begin{gathered} \mleft(9s^2-3s\mright)+(-6s-9) \\ 9s^2-3s-6s-9 \\ 9s^2-9s-9 \end{gathered}[/tex]Answer: 9s²-9x-9