Решение 

 







 

> solve(`<=`(`/`(`*`(`+`(sqrt(`+`(`*`(2, `*`(x)), 3)), `-`(abs(x)))), `*`(`+`(sqrt(`+`(`*`(9, `*`(x)), `-`(11))), `-`(abs(`+`(x, 1)))))), 0))
 

RealRange(`/`(11, 9), Open(3)), RealRange(Open(3), Open(4)) (20.2.1)