Binding brakes... Easy test method: are the discs extremely hot after normal driving? If so, something has to be stuck on the brakes. NOTE! If the discs are hot, they may burn your fingers! So donΒ΄t touch, just feel the possible heat.
The more the brakes are binding, the more they get hot and the more they get hot, the more they are binding...
Second method (easier than jacking up): roll the car very slowly on horizontal lane or parking place and let it stop without braking. If the car stops smoothly and maybe rolls back a little, then there is no binding.