Автор - klikuhavalet
(x - 6)(x + 5) <= 0
+++++++++[-5] ------------------ [6] ++++++++++
x∈[-5 6]
x>0
---------------------------(0) ++++++++++++++++++
|x|<=5
-5 <= x <=5
+++++++++++[-5] ---------------[5] +++++++++++++
итого x∈(0 5]