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Descompunetiin factori expresia:
E(x)=x^3-x^2-x+1
CORONITA!!!


Răspuns :

x^2(x-1)-(x-1)=(x-1)(x^2-1)=(x-1)(x-1)(x+1)=(x-1)^2(x+1)

E(x) = x³- x²- x + 1

E(x) = x²(x - 1) - (x - 1)=

E(x) = (x - 1)(x² - 1)

E(x) = (x - 1)(x +1)(x - 1)

E(x) = (x + 1)(x -1 )²