(4х-1)(х+2)<1-4x
(4х-1)(х+2)+(4x-1)<0
(4x-1)(x+2+1)<0
(4x-1)(x+3)<0
4(x-1/4)(x+3)<0
+ - +
(-3)(1/4)
ответ:(-3;1/4)
(4х-1)(х+2)<1-4x
(4х-1)(х+2)+(4x-1)<0
(4x-1)(x+2+1)<0
(4x-1)(x+3)<0
4(x-1/4)(x+3)<0
+ - +
(-3)(1/4)
ответ:(-3;1/4)