(5×28)+(2×23)+(3×3)
.................
Answer:
-1, -7, -13, -19
Step-by-step explanation:
-2(-3)-7 =6-7= -1
-2(0)-7 =0-7= -7
-2(3)-7 =-6-7= -13
-2(6)-7 =-12-7= -19
20
The answer is B. 80.8
is a factor of a polynomial, then 
is a root of this polynomial.