How much will 20x20 equal and then round the total

20 * 20 = 400
400 does not need to be rounded

20 x 20 = 400
Answ: 400

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 *_*