a farmer has a certain number of cows and chikens. he counts and discovers thst altogether the animals have 21 heads and 58 legs. how many of each animal does he have

The answer is Seven chickens and eleven cows

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 *_*