Athlon 760k socket

Solution
Yes, FM2 cpu's are compatible with fm2+ motherboards.
http://en.wikipedia.org/wiki/Socket_FM2%2B
"The FM2+ has a slightly different pin configuration to Socket FM2 with two additional pin sockets. Socket FM2+ APUs are not compatible with Socket FM2 motherboards due to the aforementioned additional pins. However, socket FM2 APUs such as "Richland" are compatible with FM2+ socket."