Respuesta :

Answer:

- 2x³

Step-by-step explanation:

f(x) - g(x)

= [tex]x^{\frac{1}{2} }[/tex] - x - (2x³ - [tex]x^{\frac{1}{2} }[/tex] - x) ← distribute parenthesis by - 1

= [tex]x^{\frac{1}{2} }[/tex] - x - 2x³ + [tex]x^{\frac{1}{2} }[/tex] + x ← collect like terms )

= - 2x³