Answer:

Step-by-step explanation:
You can multiply this out to get the full equations.
It's to the 4th degree so the x on the outside has to be squared to add the fourth degree.
To get other zeros:
x + 3 = 0
x = -3
x - 4 = 0
x = 4
Hope this helped. :0)
The first blank on the left side should be 0 I think
Answer:d
Step-by-step explanation:cause i put it in and got it right so i got big brain
82.2
Add all of them up and then divide by 10.