All right so i need someone to walkthrough the way to do this cause i'm lost. please do it step by step! Thanks!

Step-by-step explanation:
Hey there! Your answer :-
The skeletal formula of a quadratic equation is :-
[tex]\sf{ax^2 + bx + c}[/tex]
According to this question, we have :-
[tex]\sf{3x^2 + 8x + 4}[/tex]
So, the answers :-
Hope it helps :) Best of luck for your future!