Answer:
D. 5y^2 - 4y - 1
Step-by-step explanation:
Combine like terms:
(y^2 -y +1) +(4y^2 -3y -2)
= y^2(1 +4) +y(-1-3) +(1 -2)
= 5y^2 -4y -1
Answer:

Step-by-step explanation:
÷ 
↓ ↓ ↓
leave it change it turn it over
× 
now solve it
×
= 
now simplify it
= 
Answer:
-1.5,-1,0,0.5,1 is the answer