Problem 3. A square has side lengths of (-3a + 4c - 2.1b) inches. Write a simplified expression to represent the perimeter, in inches of the square.

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 *_*