2/x^2+12x+36-12/36-x^2=1/x-6 решите ! - вопрос №59287782212361236216 от qqlaza 07.05.2023 17:38

Question

Алгебра: 2/x^2+12x+36-12/36-x^2=1/x-6 решите !

qqlaza · Answer

2/(x+6)^2 -12/(6 -x)(6+x) =1/(x -6)2/(x+6)^2 +12/(x -6)(6+x) =1/(x -6)(2(x -6) +12(x+6)) /(x -6)(x+6)^2 =1/(x -6)(2x -12 +12x +72) /(x -6)(x+6)^2 -1/(x -6) =0((14x +60) -(x +6)^2) /(x-6)(x+6)^2 =014x +60 -x^2 -12x -36 =0, *(-1)x^2 -2x -24 =0D =4 +4*24 =100 =10^2x1 =(2 -10)/2 = -4x2 =(2+10)/2 =6ответ: x1 = -4; x =6...