find all real and imaginary zeros for each polynominal function f (x) = 5x^3-x^2-5x+1 f (x) = x^4-4x^3-7X^2+22X+24

find all real and imaginary zeros for each polynominal function f (x) = 5x^3-x^2-5x+1 f (x) = x^4-4x^3-7X^2+22X+24