Question

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

Answer 1

(x-2)(x-3)(x-4)=(x-2)(x-3)(x-5)
(x-2)(x-3)(x-4)-(x-2)(x-3)(x-5) =0
((x-2)(x-3))((x-4)-(x-5))=0
((x-2)(x-3))(x-4-x-5)=0
-9(x-2)(x-3)=0
x-2=0
x-3=0
x=2
x=3