A signal can be formed by running different colored flags up a pole, one above the other. Find the number of different
signals consisting of 7 flags that can be made if 3 of the flags
are white, 3 are red, and 1 is blue.
A) 15
B) 9
C) 140
D) 35

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 *_*