Carlene made 10 less than four times the number of keychains that Denise made. Write an expression to represent the number of keychains Carlene made. Then find the number of keychains Carlene made if Denise made 13 keychains.

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 *_*