Question

Please Help me with this problem so I can help my son better understand.I have attached an image of what were working on.

Answer 1

Given,

`\begin{gathered} (2x^4+x^3-4x^2+3)+(4x^4-2x^3-x^2+10x+2) \\ 6x^4-x^3-5x^2+10x+5^{} \end{gathered}`