Ron decided to use blocking to deal with extraneous factors in his
experiment. if 4 treatments are applied to one of his groups, how many
treatments should be applied to each of his other groups?

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*