Write the stand ard form eqution of the polynomial with zeros x=0,1,-2

Question and answers are in the attached picture. you so much in advance.

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Anyone know? will mark brainliest if correct