The following polynomial is prime. 2q² + 9q + 1

2 answers

If prime ----> can't be factored over the rational numbers

no rational factors if its (b^2 - 4ac) is NOT a perfect square.

b^2 - 4ac = 81 - 4(2)(1) = 73
which is not a perfect square , so ....

end of discussion.
What is the question, anna? Do we need to factor it?