Polynomial ring in two variables/Z mod 5/Multiply x^4+2x^2y^2-xy^3+2y^3 and x^4y+4x^2y+3xy^2-x^2y^2+2y^2/Exercise

Multiply in ${}\mathbb {Z} /(5)[x,y]$ the two polynomials

$x^{4}+2x^{2}y^{2}-xy^{3}+2y^{3}{\text{ and }}x^{4}y+4x^{2}y+3xy^{2}-x^{2}y^{2}+2y^{2}.$

Create a solution