Question 38021
10x^3 + 6x^2 + 4x - 8x^3 + 2x^2 - 3x = 2x^3 + 8x^2 + x
and
5x^2 + 6x + 8 + 6x^3 + 2x^2 - 4x = 6x^3 + 7x^2 + 2x + 8