Select all the expressions that are equivalent to 4b A. b+b+b+b

B. b+4

C. 2b+2b

D. bxbxbxb

All the expressions equivalent to 4b = a,b,c

I think the answers are A and C. If it’s wrong I apologize

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 *_*