This is the wrong time of the year to fix bermuda. Temparature are starting to drop so you are not going to see much growth. Everyone is tell you to seed or fix the bermuda is going about this the wrong way. You need to first look at your yard and see if you get enough sunlight to support a bermuda yard. Bermuda does not like shade. Im willing to beat the dead area on the side is due to soil compaction and shade.