ПОМОГИТЕ! (x-1)(x^2-2x-3)=x+1

Question

ПОМОГИТЕ! (x-1)(x^2-2x-3)=x+1

Answer 1

(x-1)(x-3)(x+1)=x+1
x=-1
(x-1)(x-3)=1
x^2-4x+3=1
x^2-4x+2=0
x=2+-√2
x=2+√2
x=2-√2