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x la a 3 -6x la a 2 +5x=?????

Răspuns :

×^3 - 6x^2 +5x= x (x^2 - 6x + 5)=x ( x^2 - 5x -1x + 5)=
= x [ x (x - 5) - 1 (x- 5)]= x (x - 5) (x - 1)