F(x)=2^2-2x+14 dan g(x)=x^2 +x tentukan (f bundaran g) (x)

f 0 g(x) =
[tex] {2}^{2} - 2( {x}^{2} + x) + 14 \\ 4 - {2x}^{2} - 2x + 14 \\ - {2x}^{2} - 2x + 18 \\ {2x}^{2} + 2x - 18 = 0 \\ 2( {x}^{2} + x - 9) = 0[/tex]