Question

Решите уравнение
(x+2)^2=(x-4)^2

Answer 1

x^2 + 4x + 4 = x^2 - 8x + 16
x^2 - x^2 + 4x + 8x = 16 - 4
12x = 12
x = 1

Answer 2

(x+2)^2=(x-4)^2.
х^2+4х+4=х^2-8х+16
х^2+4х-х^2+8х=16-4
12х=12. х=1.
ответ: 1.