Why can't you show me how to set up the problem

tell me your problem ill try to

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3

it is true

step-by-step explanation:

all the combinations add up i used   calculator