(4x^3+5x^2-2x-1)-(3x^2+7x-4)

1 answer

(4x^3+5x^2-2x-1) - (3x^2+7x-4) =

4x^3+5x^2-2x-1-3x^2-7x+4 =

4x^3 + 2x^2 - 9x +3