Уравнение (x-1)(x+1)=x^2-2x+6

Question

Уравнение
(x-1)(x+1)=x^2-2x+6

Answer 1

(x-1)(x+1)=x²-2x+6
x²-1-x²+2x-6=0
2x-7=0
x=3.5

Answer 2

X^2-1-x^2+2x-6=0
2x-7=0
2x=7
x=3.5