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When you factorise an equation, the final form should look like this: (x+a)(a+b)=0 in order to work out the possible value(s) for x. As a result, working backwards, we expand the already factorised final ...

A sensible approach would be to offer around 30% of your personal statement to extra-curricular activities. However, this answer varies depending on which universities you are applying to. For example, Ox...

Income elasticity of demand (YED) is the relationship between a change in quantity demanded for a good and the change in real income. some goods are normal and some inferior. Normal means a rise in income...

Uno de los problemas medioambientales más importantes al que se enfrenta España hoy en día es la contaminación debido al tráfico, especialmente en la capital. En Madrid, la contaminación del aire supera l...

Firstly we should add log to both sides of the equation, knowing that modifying one side can be balanced by doing the exact same thing on the other side. On the right hand side, using logarithmic identiti...