FX Networks plans to offer an ad-free channel for Comcast customers

FX Networks announced Monday that it is launching FX+, a commercial-free channel that will be available to Comcast Corp. Xfinity subscribers beginning Sept. 5. FX Networks long has been known for edgy programming, but that distinction has become difficult to maintain amid fierce competition from streaming services Netflix, Hulu and Amazon.com. Streaming services have gained an…