Consider the functions f(x) = 223 + 922 + 3x + 12 and g(x) = 323 + 10x2 + × + 8.
The graph of their difference, f(x) - g(x), is shown on the coordinate grid.
What is/are the solution(s) to the equation f(x) - g(x) = 4?
List the solutions from least to greatest separated by a coma(s).