Answer:
v=-5 and v=3
Step-by-step explanation:
We are given that

We have to find two solutions of quadratic equation.

Using addition property of equality
(By using factorization method)


Substitute each factor equal to 0
and 
and 
Hence, two solutions of quadratic equation are
v=-5 and v=3
Answer:
22 posts
Step-by-step explanation:
on the side of 20 feet you have 5 fence posts each in including one on each of the corners. On the 35 feet side you would have 8 including the corners, but since the corner posts are done its 6 on each 35 feet side. So you get 5+5+6+6=22