[EIdentifier "x",ESymbol Rel "=",EFraction NormalFrac (EGrouped [ESymbol Bin "\8722",EIdentifier "b",ESymbol Bin "\177",ESqrt (EGrouped [ESuper (EIdentifier "b") (ENumber "2"),ESymbol Bin "\8722",ENumber "4",EIdentifier "a",EIdentifier "c"])]) (EGrouped [ENumber "2",EIdentifier "a"])]
