Can you guys help me out with this one?

Step-by-step explanation:
A polynomial with integer coefficients that cannot be factored into polynomials of lower degree , also with integer coefficients, is called an irreducible or prime polynomial .
[tex]5a - 18b \\ \\ {y}^{2} - 2y + 10 \\ \\ {x}^{2} + {y}^{2} \\ \\ are \: prime \: polynomials.[/tex]