Brian bought a tablet that was discountedby 15%. the tablet normally sells for y dollars. eith tax, brian paid $309. if the tax was $20, write and solve an equation that can be used to find the original cost of the tablet.

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 *_*