ПОМОГИТЕ!!! (6-x)^2-16=x^2-2x

Question

ПОМОГИТЕ!!!
(6-x)^2-16=x^2-2x

Answer 1

X^2  - 12x + 36 - 16 = x^2 - 2x
x^2 - 12x + 20 = x^2 - 2x
- 12x + 20 = - 2x
- 12x + 2x = - 20
- 10x = - 20
10x = 20
x = 20/10
x = 2