(x-3)(x-4)(x-5)=(x-2)(x-4)(x-5)

(х-3)(х-4)(х-5)=(х-2)(х-4)(х-5)(х-3)(х-4)(х-5)-(х-2)(х-4)(х-5)=0(x-4)(x-5)*(x-3-x+2)=0-1(x-4)(x-5)=0(x-4)(x-5)=0x=4x=5