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Descompuneti in factori:
a)3x^3+6x^2+3x
b)4x(x+1)-3(x+1)


Răspuns :

a)3x³+6x²+3x=3x(x²+2x+1)=3x(x+1)²

b)4x(x+1)-3(x+1)=
(x+1)(4x-3)