I need the stuff so i can help
Ok....
What am I supposed to answer here???
Answer:
There is nothing included so I can't give you an answer.
Step-by-step explanation:
You didn't add anything to this. All it says is "Solve for the Unknown Value". I would help you if I could though!
Answer:
other x values are -5,-4
Step-by-step explanation:
f(x)=0 for x=−6
Apply synthetic division to get the quotient . using that we find other two values of x
-6 1 15 74 120
0 -6 - 54 -120
-------------------------------------------------
1 9 20 0
the quotient is 
now factor the left hand side, product is 20 and sum is 9

So other x values are -5,-4