It takes 77 pounds of seed to completely plant a 9 -acre field. how many pounds of seed are needed per acre?
debra bought 10 pounds of sugar for $5. how many dollars did she pay per pound of sugar?

(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