Simplify: 28z7 - 22w7 Enter the original expression if it cannot be
simplified.
tartha carract ancuar

The first one minimumi hope my answer you.

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 *_*