Problematic – Posing a problem; Full of difficulties
The problem with maths (problematic) is that it leads to a lot of other problems.
Examples of problematical in a sentence
Getting him to the dentist was problematic – he had a dread of the surgery.
Focusing attention on the simple business of walking two blocks to her door was problematic.
Fixing the old car was problematic – most parts were no longer available.