Question

Разложите на множетели . xy2+x2y+x3+y3

Answer 1

(xy^2+x^2y)+(x^3+y^3)=xy(x+y)+(x+y)(x^2-xy+y^2)=(x+y)(x^2+y^2)

Answer 2

(x3+x2y)+(xy2+y3)=x2(x+y)+y2(x+y)=(x+y)(x2+y2)