The question is if the vectors p and q are (3) and (2)
(-1)
(4) respectively, then p-2q is what answer above.

don't just type random answer for points I will report you. if your truly answering my question please show working I'll really appreciate it:)​

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 *_*