The phrase "a confusing problem" is correct and usable in written English.
You can use it when describing a situation or issue that is difficult to understand or resolve.
Example: "The instructions provided were unclear, leading to a confusing problem for the team to solve."
Alternatives: "a perplexing issue" or "a baffling dilemma".
Defining the relationship between the actual changes and the moment tensor representation is known to be a potentially confusing problem (Aki and Richards 1980; Aki and Richards 2002).
To this rather confusing problem, the diagram and contingency tables in Figure 2 provide a conceptual framework to understand and correctly design new functional enrichment measures.
To elucidate this confusing problem, western analyses were performed using nuclear proteins from young and senescent 2BS cells.
Many companies are offering more advice and have introduced sophisticated online financial calculators intended to help investors solve the often confusing problems involved in building a nest egg and then safely consuming it.
"Repeated acquisitions serve as a vehicle to cope with inner uncertainty," Mr. Muensterberger writes, "a way of dealing with the dread of renewed anxiety, with confusing problems of need and longing".
Re-state confusing problems in your own words.
Even difficult and confusing problems are often solved by using several simple equations or modifying these simple equations so that they fit new situations.
a confusing and difficult problem or question.
In Gadsden County, as in Palm Beach and Duval, the root problem was a confusing, badly designed ballot -- not a butterfly, as Palm Beach's winged disaster was called, but a "caterpillar ballot" that spread the presidential candidates among two columns, so that many voters mistakenly marked two names.
Early models were beset with mechanical problems, and a confusing advertising campaign that featured a cartoon duck failed to attract the sophisticated young buyers that G.M., its parent, had in mind.
