Question 1115541
Possible zeros to check for using synthetic division would be -5, -1, -3, 1, 3, 5.


The roots you will find to be are  -1, 3, 5.


{{{F(x)=(x-5)(x-3)(x+1)}}}


Also be aware, once you find ANY one of the zeros, you can factorize to find the other two zeros.