Odpowiedź :
[tex]x=-3\\\\x^3 + 4x^2 = 3 - 2x\\\\ (-3)^3 + 4 *(-3)^2 = 3 - 2*(-3)\\\\-27+4*9=3+6\\\\-27+36=9\\\\9=9\\\\L=P\\\\odp.\ PRAWDA[/tex]
[tex]x=-3\\\\x^3 + 4x^2 = 3 - 2x\\\\ (-3)^3 + 4 *(-3)^2 = 3 - 2*(-3)\\\\-27+4*9=3+6\\\\-27+36=9\\\\9=9\\\\L=P\\\\odp.\ PRAWDA[/tex]