(5-3х)(х-1)< -1 рочняк ! заранее !

(5-3х)(х-1)<-1

5x-3x^2-5+3x+1<0

-3x^2+8x-4<0

3x^2-8x+4>0

3x^2-6x-2x+4>0

3x(x-2)-2(x-2)>0

(x-2)(3x-2)>0

x-2>0                        x-2<0

3x-2>0                      3x-2<0

x>2                           x<2

3x>2                         3x<2

x>2                           x<2

x>2/3                       x<2/3

x>2                          x<2/3

ответ: .