need you help please please

 (a) Find the two roots of the following polynomials   using anonymous functions:
(b) Using the fplot command, plot each of these two functions separately, under appropriate domains for each, to visually verify the x-intersections.

i am stuck on these questions , i did the rest but really stuck on these question , i spend almost 4 hours playing around with different ways, but can't get the right answer. any help will be much appreciated. Thank you soo much

[Star Strider]

Post the code that’s giving you the wrong answer. We can’t guess what you’re thinking!