Alex is on a road trip. He uses of a tank of gas every hours. How many tanks of gas will Alex use after 15 hours?

Ineed the rest of the question and answers

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 *_*