Sadi wanted to compare the fractions 2 3 and 5 9 using common denominators. his work is shown below.

Multiply the fraction 2/3 by 2 and you will get 4/9 and the least common denominator will be 9

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 *_*