Assignment: 
<><><><><>
Answer: 
<><><><><>
Explanation: 
<><><><><>
Note: 
[ Step One ] Apply Rule - (-a) = a

[ Step Two ] Add

<><><><><><><>
Answer:
Solution is x=2. sorry if this is not what you are looking for!
Step-by-step explanation:
Answer:
90
Step-by-step explanation:
Since 9 is in the 10s place it'd be valued at 90
I assume that's what this is asking, if not please correct me
Hope this helps
The only that has the shape of the one below.
y = -4(x^3 + 7x^2+8x - 16)
Let x = 1
y = - 4(1 + 7 + 8 - 16)
y = 0
y = -4(x -1)(x^2 + 8x + 16)
y = -4(x - 1)(x + 4)^2