2x/x+6-144/x2-36=1 пж срочно
ОДЗ x ≠ - 6; x ≠ 6 2x (x - 6) - 144 - (x - 6)(x + 6) = 0 2x^2 - 12x - 144 - (x^2 - 36) = 0 2x^2 - 12x - 144 - x^2 + 36 = 0 x^2 - 12x - 108 = 0 D = 144 + 432 = 576 = 24^2 x1 = ( 12 + 24)/2 = 18 ∈ ОДЗ x2 = ( 12 - 24)/2 = - 6 ∉ ОДЗ Ответ 18