The phrase "a complex and wider" is not correct in standard written English.
The word "wider" is typically used to compare physical dimensions or metaphorical breadth, and it should be paired with a noun that it modifies.
Example: "The issue is a complex and wider problem that affects many communities."
Alternatives: "a complex and broader" or "a complex and more extensive".
Landlords benefit from a complex and wide range of tax reliefs which encourage them to buy more properties and force prices up.
He accomplished this by building a complex and wide-ranging business model that also met an equally broad array of social needs; he recognized all the stakeholders.
There was evidence that the journals with the more thorough statistical review process reported a more complex and wider variety of statistical techniques.
He stated that Changeling was a more complex and wide-ranging work than Eastwood's Mystic River, saying the characters and social commentary were brought into the story with an "almost breathtaking deliberation".
Inflammation is a complex and multisystem event affecting a wide range of cells, tissues, and organs.
Whilst the use of dialogue has many pedagogic advantages to offer Higher Education, implementing it effectively in teaching practice is a complex and problematic process that requires a wide range of expertise.
Macrophage migration inhibitory factor (MIF) is a multifunctional cytokine, with complex and wide reaching activities, which has been proposed as a bridge between inflammation and tumorigenesis (Bucala and Donnelly, 2007).
However, as stated previously, reconstruction of the complete structure of a neuron, including its complex and wide-reaching axonal arbors, requires methods for sparse- or single-neuron labeling.
It is dynamic, complex and wide-ranging".
Sharia is a complex, wide-ranging, and ever-evolving set of principles that are meant to help Muslims get closer to God, according to the example set out by Islam's founder, the Prophet Muhammad.
