Alaptop computer is purchased for $2700. each year, it’s value is 70% of its value the year before after how many years will laptop computer be worth $500 or less

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 *_*