(х+6)^2+(х+3)^2=2х^2(x^2 + 12x + 36) + (x^2 + 6x + 9) = 2x^22x^2 + 18x + 45 = 2x^218x + 45 = 018x = -45x = -45/18x = -2.5
Ответ: x = -2.5
(х+6)^2+(х+3)^2=2х^2
(x^2 + 12x + 36) + (x^2 + 6x + 9) = 2x^2
2x^2 + 18x + 45 = 2x^2
18x + 45 = 0
18x = -45
x = -45/18
x = -2.5
Ответ: x = -2.5