Question 97787
w^3+5w^2-w=5
w^3+5w^2-w-5=0
w^2(w+5)-(w+5)=0
(w^2-1)(w+5)=0
(w+1)(w-1)(w+5)=0
w+1=0
w=-1 answer.
w-1=0
w=1 answer.
w+5=0
w=-5 answer.