Factoring a Polynomial In Exercises 27 and 28, (a) verify the given factor(s) of f (x), (b) nd the remaining factors of f (x), (c) use your results to write the complete factorization of f (x), ((1) list all real zeros of f, and (e) conrm your results by using a graphing utility to graph the function. Function Factor(s) 27. f(x) = 2x3 + 11x2 21x 90 (x + 6) 28. f(x) = x4 4x3 7x2 + 22x + 24 (x + 2), (x 3)