When the product of three and a number is taken away from the sum of that number and six, the result is zero what is the number?

The number is 3

(3+6)-(3*3)=0

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 *_*