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Firstly factorise the denominator to get (2x+7)(x+9). Then make the fraction equal to the seperate fractions with constants.

E.g 16x+78/2x^2+25x+63=A/(2x+7)+B/(x+9). then multiply accross by the de...

A cognitive interview is a technique employed by police officers to conduct questionning of a witness following an event, in order to improve the memory recall of the event. There are 4 main techniques us...

first, consider balanced equation: consider reaction occuring: NaOH + H₂SO₄ --> Na₂SO₄ + H₂O (neutralisation) ions present in each reactant...

(Please note this is an essay question, below is only a sample introduction)

Royal and noble patronage was the practise of giving support to those such as poets, artists and musicians who worked in...

A mutation arises in an individual that confers a selective advantage.  The phenotype the mutation produces is selected for by natural selection and so the individual survives to reproductive age.  This m...