Answer:
I'd recommend the photo math app
Step-by-step explanation:
it's easy to use and it can help
A polynomial with roots a and b is (x - a)(x - b).
(x - 2)(x - (-1))(x - 4) = 0
(x - 2)(x + 1)(x - 4) = 0
has roots 2, -1, and 4.
To divide by three you have to put it on the outside of the box.
For example:
Sophie has 6 cookies. She wants to separate them into 3 groups.
I've attached a picture for you explaining the steps. :) Let me know if you need more help!