The volume of a rectangular solid is (×^3+3×^2+2×-5) cubic cm, and its height is (×+1) cm. What is the area of its base?

1 answer

(x+1) A = x^3 + 3 x^2 + 2 x - 5
divide both sides by (x+1)
x^2 + 2 x - 5/(x+1)
either you do remainders or you have a typo