Pre calc problem

[sfeld]

f(x) = 2x - 1; G(x) = 3x + 2; H(x) = x^2

Find f(x) + G(x) + H(x)

Answer is x^2 + 5x + 1.
can someone explain the problem to me plz <3


////////////Oh I see now, I was putting the wrong sign in thats why I was'nt getting it, my carless mistakes D:!!! plz forgive D:

[Muzza]

f(x) + G(x) + H(x) = (2x - 1) + G(x) + H(x).

Can you take it from there?