Question

Blank 1: 3044+d43-8d12.14Question 3 (10 points)(3n - 5 - 8n3) - (7n3+2+9n5)5914-49^3+12942Blank 1: 5944-4913+12912

Answer 1

$\begin{gathered} 3n-5-8n^3-(7n^3+2+9n^5) \\ 3n-5-8n^3-7n^3-2-9n^5 \\ 3n-15n^3-9n^5-7 \end{gathered}$