Question

help me
(x-2)^2+(x-3)^2=2x^2-17

Answer 1

x^2-4x+4+x^2-6x+9=2x^2-17
-10x+13=-17
-10x=-30
x=3
Ответ: 3

Answer 2

там 17, а не 7

Answer 3

x^2-4x+4+x^2-6x+9=2x^2-17
-4x-6x=-17-9-4
-10x=-30
x=3