Solution
Given:
[tex]\begin{gathered} f(x)=x^2-25 \\ g(x)=x+5 \end{gathered}[/tex]
We are required to find (f + g)(x)
[tex]\begin{gathered} (f+g)(x)=f(x)+g(x) \\ =x^2-25\text{ + x+5} \\ =x^2+x-25+5 \\ =x^2+x-20 \\ \\ The\text{ answer is x}^2+x-20 \end{gathered}[/tex]
