(5x^4-10x^3y+25x^2y^2)除以(-5x^2)=_____________________

(5x^4-10x^3y+25x^2y^2)除以(-5x^2)=_____________________
(5x^4-10x^3y+25x^2y^2)除以(-5x^2)=_____________________

(5x^4-10x^3y+25x^2y^2)除以(-5x^2)=_____________________
(5x^4-10x^3y+25x^2y^2)除以(-5x^2)
=5x^4/(-5x^2)-10x^3y/(-5x^2)+25x^2y^2/(-5x^2)
=-5x^4/5x^2+10x^3y/5x^2-25x^2y^2/5x^2
=-x^2+2xy-5y^2

-x²+2xy-5y²

新年快乐！望采纳，O(∩_∩)O谢谢

=-x^2+2xy-5y^2

原式=5x^4除以(-5x^2)-10x^3y除以(-5x^2)+25x^2y^2除以(-5x^2)
=-x^2+2xy-5y^2