<<< native [ ENumber "2" , ESymbol Rel "=" , EDelimited "(" ")" [ Right (EFraction NormalFrac (EGrouped [ EDelimited "(" ")" [ Right (ENumber "3") , Right (ESymbol Bin "\8722") , Right (EIdentifier "x") ] , ESymbol Bin "\215" , ENumber "2" ]) (EGrouped [ ENumber "3" , ESymbol Bin "\8722" , EIdentifier "x" ])) ] ] >>> mml $$2=\left(\frac{(3-x)\times 2}{3-x}\right)$$