Решите уравнение (х-6)^2= х^2-6

Question

Решите уравнение
(х-6)^2= х^2-6

Answer 1

X²-12x+36=x²-6
12x=42 ⇒ x=3,5

Answer 2

X^2 - 12x + 36 = x^2 - 6.
x^2 - 12x - x^2 = -36 - 6.
-12x = -42.
x = 42/12 = 7/2 = 3,5.