The value of a share of at& t stock on that day was $91.50 more than the value of a share of ibm stock. use x to represent the unknown value. write an algebraic expression for each of the quantities being compared.
? =the value of a share of at& t stock
? =the value of a share of ibm stock

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 *_*