Plug the individual equation into the expression:
f(x) - g(x) - h(x)
(3x + 5) - (4x² - 2) - (x² - 3x + 1)
3x + 5 - 4x² + 2 - x² + 3x - 1
Simplify by combining like terms:
-5x² + 6x + 6
That means that f(x) - g(x) - h(x) = -5x² + 6x + 6.
