Question

решить неравенства (х-1)(х-3)(х-5)>0 (х+1)(х-1)(х-2)>0

Answer 1

1) (x-1)(x-3)(x-5)>0
x²-3x-x+3x+3>0
x ∈ (1,3) ∪ (5,∞)
2) (х+1)(х-1)(х-2)>0

x²-1(x-2)>0
х ∈ (−1,1) ∪ (2,∞)