Respuesta :
Answer:
[tex]-2x^2-8x+12[/tex]
Step-by-step explanation:
[tex]f-g=(3x^2-2x+4)-(5x^2+6x-8)=3x^2-2x+4-5x^2-6x+8=\\ =-2x^2-8x+12[/tex]
(f-g)(x)=f(x)-g(x)
=((3x^2)-2x+4)-((5x^2)+6x-8)
=(-2x^2)-8x+12
The answer is -2x^2 -8x+12. I hope this helps.