Система (х²-4)(2х-1)<0 (х-1)(х+2)(3х-1)>0
2хв3-хв2-8х-4<0,хв2(2х-1)-4(2х+1)<0,(х2-4)(2х-1)в2<0,<br>- (хв2-4)(4хв2+4+1)в2<0.
2) 3хв2(х-1)+6х(х-1)-2х(х+1)+х+2<0? 3х(х+1)(х-1)в2-2х(х+1)+х+2<0, х(х+1)в2(х-1)в2+2<0