Explanation:
p(x) + q(x) = x^3 - 3x - 1 + x - 1= x^3 - 2x - 2
p(x) - q(x) = x^3 - 3x - 1 - x + 1 = x^3 - 4x
p(x) x q(x) = (x^3 - 3x - 1) (x-1) = x^4- x^3 - 3x^2 +3x -x +1 = x^4 - x^3 -3x^2 + 2x +1
p(x) : q(x) = x^3 - 3x - 1/ x - 1= x( x^2 - 3 - 1) / x - 1