Question

решить неравенство: (2х+1)(1-х)(х-5)<=0

Answer 1

(2х+1)(1-х)(х-5)≤0
2(х+0,5)(х-1)(х-5)≥0

__-___-0,5____+____1______-_____5____+____

х∈[-0,5;1]U[5;+∞)