Question

(12х-1)(3х+1)>1+(6x+2)^2

Answer 1

Смотри ответ на фото!

Answer 2

(12х-1)(3х+1)>1+(6x+2)^2
36x^2+12x-3x-1-1-(6x+2)^2>0
36x^2+9x-2-(36x^2+24x+4)>0
36x^2+9x-2-36x^2-24x-4>0
-15x-6>0
15x<-6
x<-6/15