Question

Помогите решить ?????????????

Answer 1

x²-16x+64=36-12x+x²
x²-16x+64-36+12x-x²=0
-4x+28=0
-4x=-28
x=7

Answer 2

(x - 8)^2 = (6 - x)^2
(x - 8) = (6 - x)
x - 8 = 6 - x
x + x = 6 + 8
2x = 14
x = 14/2
x = 7
проверка :   (7 - 8)^2 = (6 - 7)^2      ;      - 1^2 = - 1^2    ;    1 = 1