(4-49x^2) / (x-5)>0
(4-49x^2)*(x-5)>0
(2-7x)*(2+7x)*(x-5)>0
x= 2/7 или x = -2/7 либо x=5
+ - + -
(-2/7) ( 2/7) (5) > x
x∈ (-∞; -2/7) ∨ (2/7; 5)
(4-49x^2) / (x-5)>0
(4-49x^2)*(x-5)>0
(2-7x)*(2+7x)*(x-5)>0
x= 2/7 или x = -2/7 либо x=5
+ - + -
(-2/7) ( 2/7) (5) > x
x∈ (-∞; -2/7) ∨ (2/7; 5)