What are the solutions for (x+5)(x-3)=0 ?

a. x= 0

b. x= - 5 and x = 3

c. x= 5 and x = -3

d. the solutions cannot be found using this form.

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points