Question

(x-2)(x+3)(x-4)=0,x echiunitar Z

Answer 1

$(x-2)(x+3)(x-4)=0=\ \textgreater \ x-2=0=\ \textgreater \ x+3=0=\ \textgreater \ x-4=0$$=\ \textgreater \ x_{1} =2 ; x_{2}=-3; x_{3} =4$
S={2;-3;4}
Succes.