write the function in the form f(x) = (x-k)q(x) + r for the given value of k, and demonstrate that f(k) = r. f(x) = x^3 - 5x^2 - 11x + 8, k = -2
write the function in the form f(x) = (x-k)q(x) + r for the given value of k, and demonstrate that f(k) = r. f(x) = x^3 - 5x^2 - 11x + 8, k = -2