Answer: 
Step-by-step explanation:
Given : At the beginning of the season, MacDonald had to remove 5 orange trees from his farm.
Each of the remaining trees produced 210 oranges for a total harvest of 41790 oranges.
The equation to determine the initial number of orange trees "t" on MacDonald's farm will be :-

Answer:
0
Step-by-step explanation:
f (x)=x^2
f(x)=1/5 (x^2)
f (0)=1/5 (0^2)
f (0)=0
I believe the answer is 81x^4-16x^2 difference of squares
Multiples of 8 could be.... 16,32, 40,48 and etc...