What is (f−g)(x)?
(f - g) (x) =
f(x) - g(x) =
[ x^3 - 2x^2 + 12x - 6 ] - [ 4x^2 - 6x + 4 ] =
x^3 - 2x^2 + 12x - 6 - 4x^2 + 6x - 4 combine like terms
x^3 - 6x^2 + 18x - 10
