Answer:
8 and 1 third.
Step-by-step explanation:
You need to list the options/ “following” otherwise you most likely won’t get an answer or a right one at least
Mulitpilicty is how many times a root repeats
factor
factor x first
x(2x^2+x-1)
using math
(x)(x+1)(2x-1)
no roots repeat
if it is equal to 0 then the roots are
0 multiplicty 1
-1 multiplicty 1
1/2 multiplicty 1