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Descompuneti in factori:
a) 4(x+2) + y(x+2)
b) -3a(x+3) + 6b(x+3)
c) (x-2) x + 4(x-2)


Răspuns :

a) 4x+8 + xy + 2y
b) -3ax-9a+6bx+18b
c) x^2-2x+4x-8