jika f(x) = 2x²+x+5 dan g(x) = 3x² + 2x -1 maka (f-g)(x)

(f-g)(x) = f(x) - g(x)
[tex]f(x) - g(x) = (2 {x}^{2} + x + 5) - (3 {x}^{2} + 2x - 1) \\ = 2 {x}^{2} - 3 {x}^{2} + x - 2x + 5 + 1 \\ = - {x}^{2} - x + 6[/tex]