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Solve x^2 -4x=12
1:Firstly, put all the terms on the Left Hand Side, leaving only 0 on the right hand side2: Factorise the equation a) think about what multiples can be used to calculate -12 1*-12=-12 and -112=-12 2
Ethanol, CH3CH2OH, can be converted into a carboxylic acid with two carbon atom. Name the carboxylic acid formed from ethanol and draw its structure. Show all bonds between atoms.
Ethanoic acid (CH3COOH)Clear structure of molecule must be shown. One C atom with existing three single bonds to three H atoms and a single bond with the other C atom. Second C atom has a double bond
