x^2(x+2)-5(x+2)=0
(x+2)(x^2-5)=0
(x+2)(x-pierw(5))(x+pierw(5))=0
x=-2 v x=pierw(5) v x=-pierw(5)
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x^2(x+2)-5(x+2)=0
(x+2)(x^2-5)=0
(x+2)(x-pierw(5))(x+pierw(5))=0
x=-2 v x=pierw(5) v x=-pierw(5)