Zad.8/71 Rozwiąż równanie:
2x(x+1)-2(xx^{2}+1)=4(xx^{2}-1)-(4xx^{2}+2)
2x(x+1)-2(xx^2+1)=4(xx^2-1)-(4xx^2+2)
2x^2+2x-2x^3-2=4x^3-4x^3-2
-2x^3+2x^2+2x=0
x=0
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2x(x+1)-2(xx^2+1)=4(xx^2-1)-(4xx^2+2)
2x^2+2x-2x^3-2=4x^3-4x^3-2
-2x^3+2x^2+2x=0
x=0