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Since an x² is produced, we know that the factorised version will be (x+a)(x+b). To find a and b we need to consider the relationship between 2 and -8. It is going to be factorised into two brackets, due to ...

For general analysis of any primary source you should first consider two main things: the nature of the source, and who wrote it and for what auidence. The nature of the source concerns what the typr and for...

“Marginal” in economics means “additional” and “extra”. It is the idea that firms may take decisions by considering the effect of small changes from the existing situation. Economists rely heavily on the ide...

Factors affecting the short run aggregate supply includes factor costs, temporary supply shocks, government policies with short-term effects and expectation of price level. Firstly, at the same price level, ...

When approaching answering an essay, first look at the question. Read it through several times. It may seem obvious, but you have to answer the question, not plonk down everything you know.Most of the questi...