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Descompuneti in factori
X la puterea 4 +4X la puterea4 +3X la puterea2 -12X
35puncte+Coroana!!!!


Răspuns :

x⁴ +4x³ +3x² -12x=
=x³(x-4)-3x(x-4)=
(x-4)(x³-3x)=x(x-4)(x²-3)=x(x-4)(x-√3)(x+√3)


asa cum l-ai scris

x⁴ +4x⁴ +3x² -12x=5x⁴ +3x² -12x=x(5x³+3x-12)