Question

Let f(x)=x3−2x and g(x)=2x3−2x+5.

Which of the following is equal to f(x)−g(x)?


−x3−4x−5


3x3−5


−x3−5


x3+5

Answer 1

−x3−5

Answer 2

Subtract the function f(x) and g(x)
f(x)=x3−2x and g(x)=2x3−2x+5.

\((x3−2x) -(2x3−2x+5)=?\)

Answer 3

@leon549 Hello, it would be great if you give explanation to your result, that would help. However, avoid giving direct answers. Thank you.

Answer 4

I know right.. thank you.

Answer 5

sry