Question: a study sampled 23832 patients to determine their blood type...

A study sampled 23,832 patients to determine their blood type. Because of limited information of gene frequency of the ABO blood groups, this information is incredibly useful to geneticists, biologists, and blood transfusion service policy makers. The following information is provided (Note: the alleles here can be codominant):

Based on the data below, is the system in Hardy-Weinberg equilibrium? Show your work. (Hint: You may need to use the quadratic formula,)