Question

разложить,   x^2+x-xy-y^2+y^3-xy2=  ? 

Answer 1

$x^2+x-xy-y^2+y^3-xy2=x(x+1-y)-y^2(1-y+x)= \ =(x+1-y)(x-y^2)$

Answer 2

x^2 + x - xy - y^2 + y^3 - xy2=
x(x+1-y) - y^2(1-y+x)= (X+1-Y)(X-Y^2)
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