Hey!
First, let's write the problem,

Factor out the common term, which is 4,

Then, let's factor this part:

We are going to factor it using the difference of squares rule.

Our final factored answer would be,

Thanks!
-TetraFish
Answer:
32
Step-by-step explanation:
the country would need 30 to 33 trees
Answer:
blep
Step-by-step explanation:
Higher then the levels of ten and lower of the x-axis through the ten starting with negative ten to y axis 10