Answer:
[tex]y^{5}-6x^{4}y-3xy^{4}-2x^{3}y^{2}+9x^{2}y^{3}[/tex]
Step-by-step explanation:
we have
[tex](-2x^{3}y^{2}+4x^{2}y^{3}-3xy^{4} )-(6x^{4}y-5x^{2}y^{3}-y^{5} )[/tex]
Group terms
[tex]-2x^{3}y^{2}+(4x^{2}y^{3}+5x^{2}y^{3})-3xy^{4}-6x^{4}y+y^{5}\\\\-2x^{3}y^{2}+9x^{2}y^{3}-3xy^{4}-6x^{4}y+y^{5} \\ \\ y^{5}-6x^{4}y-3xy^{4}-2x^{3}y^{2}+9x^{2}y^{3}[/tex]
