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Dati factor comun:
6*a-18*b=
5*x+17*x=
3*a+18*b-12*c=


Răspuns :

[tex]\rm 6a+18b=6(a+3b) \\ 5x+17x=x(5+17)=22x \\ 3a+18b-12c=3(a+6b-4c)[/tex]