Write an equivalent expression by distributing the
"---"
sign outside the parentheses:
-(3.9d + 10)

Answer of this question

-3.9d-10

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 *_*