One root of f (x) = x cubed + 10 x squared minus 25 x minus 250 is x = –10. What are all the roots of the function? Use the Remainder Theorem.
x = –25 or x = 10
x = –25, x = 1, or x = 10
x = –10 or x = 5
x = –10, x = –5, or x = 5