Verified answer

f(x) - g(x) =

2x^2 - 2x + 7 - (x^2 +9x - 6) =

x^2 - 11x + 13

2x^2 - 2x -7 - (x^2+9x - 6)

2x^2 -2x - 7 -x^2 -9x + 6

x^2 -11x - 1

x ² - 11x + 13