Question

( √ 12 - 3,5 ) ( 5 - 4x ) ( 3 √ 5 - 7 ) < 0 помогите решить  

Answer 1

3,5^2=12,25>12
sqrt(12)<3,5
(3sqrt(5))^2=45<49
3sqrt(5)-7<0
( √ 12 - 3,5 )* ( 3 √ 5 - 7 ) >0
5-4x<0
4x>5
x>5/4